7880533770 has 96 divisors (see below), whose sum is σ = 20279045952. Its totient is φ = 1953158656.

The previous prime is 7880533681. The next prime is 7880533789. The reversal of 7880533770 is 773350887.

It is a super-3 number, since 3×7880533770³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3512269 + ... + 3514511.

It is an arithmetic number, because the mean of its divisors is an integer number (211240062).

Almost surely, 2^7880533770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7880533770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10139522976).

7880533770 is an abundant number, since it is smaller than the sum of its proper divisors (12398512182).

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

7880533770 is a wasteful number, since it uses less digits than its factorization.

7880533770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436 (or 2353 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The square root of 7880533770 is about 88772.3705327283. The cubic root of 7880533770 is about 1989.9945093828.

It can be divided in two parts, 78805 and 33770, that added together give a triangular number (112575 = T₄₇₄).

The spelling of 7880533770 in words is "seven billion, eight hundred eighty million, five hundred thirty-three thousand, seven hundred seventy".