755756820752 has 10 divisors (see below), whose sum is σ = 1464278840238. Its totient is φ = 377878410368.

The previous prime is 755756820713. The next prime is 755756820757. The reversal of 755756820752 is 257028657557.

It can be written as a sum of positive squares in only one way, i.e., 518221455376 + 237535365376 = 719876^2 + 487376^2 .

It is a super-2 number, since 2×755756820752² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 755756820691 and 755756820700.

It is not an unprimeable number, because it can be changed into a prime (755756820757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23617400633 + ... + 23617400664.

Almost surely, 2^755756820752 is an apocalyptic number.

It is an amenable number.

755756820752 is a deficient number, since it is larger than the sum of its proper divisors (708522019486).

755756820752 is a wasteful number, since it uses less digits than its factorization.

755756820752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47234801305 (or 47234801299 counting only the distinct ones).

The product of its (nonzero) digits is 41160000, while the sum is 59.

The spelling of 755756820752 in words is "seven hundred fifty-five billion, seven hundred fifty-six million, eight hundred twenty thousand, seven hundred fifty-two".