755870780 has 96 divisors (see below), whose sum is σ = 1872963456. Its totient is φ = 250822656.

The previous prime is 755870777. The next prime is 755870783. The reversal of 755870780 is 87078557.

755870780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (755870777) and next prime (755870783).

It is a super-4 number, since 4×755870780⁴ (a number of 37 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755870783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1745444 + ... + 1745876.

It is an arithmetic number, because the mean of its divisors is an integer number (19510036).

Almost surely, 2^755870780 is an apocalyptic number.

755870780 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 755870780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936481728).

755870780 is an abundant number, since it is smaller than the sum of its proper divisors (1117092676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

755870780 is a wasteful number, since it uses less digits than its factorization.

755870780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 47.

The square root of 755870780 is about 27493.1042263328. The cubic root of 755870780 is about 910.9247854271.

The spelling of 755870780 in words is "seven hundred fifty-five million, eight hundred seventy thousand, seven hundred eighty".