76604755557 has 32 divisors (see below), whose sum is σ = 115049594880. Its totient is φ = 44917704000.

The previous prime is 76604755553. The next prime is 76604755699. The reversal of 76604755557 is 75555740667.

It is not a de Polignac number, because 76604755557 - 2² = 76604755553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76604755497 and 76604755506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76604755553) 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, 5301132 + ... + 5315562.

It is an arithmetic number, because the mean of its divisors is an integer number (3595299840).

Almost surely, 2^76604755557 is an apocalyptic number.

It is an amenable number.

76604755557 is a deficient number, since it is larger than the sum of its proper divisors (38444839323).

76604755557 is a wasteful number, since it uses less digits than its factorization.

76604755557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19665.

The product of its (nonzero) digits is 30870000, while the sum is 57.

The spelling of 76604755557 in words is "seventy-six billion, six hundred four million, seven hundred fifty-five thousand, five hundred fifty-seven".