76557090368 has 56 divisors (see below), whose sum is σ = 165792814464. Its totient is φ = 34785216000.

The previous prime is 76557090367. The next prime is 76557090373. The reversal of 76557090368 is 86309075567.

It is a super-2 number, since 2×76557090368² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76557090367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928318 + ... + 1967618.

Almost surely, 2^76557090368 is an apocalyptic number.

It is an amenable number.

76557090368 is an abundant number, since it is smaller than the sum of its proper divisors (89235724096).

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

76557090368 is a wasteful number, since it uses less digits than its factorization.

76557090368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42091 (or 42081 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 56.

The spelling of 76557090368 in words is "seventy-six billion, five hundred fifty-seven million, ninety thousand, three hundred sixty-eight".