75904764768 has 144 divisors (see below), whose sum is σ = 257534166960. Its totient is φ = 21687063552.

The previous prime is 75904764739. The next prime is 75904764781. The reversal of 75904764768 is 86746740957.

75904764768 is a `hidden beast` number, since 7 + 5 + 90 + 4 + 76 + 476 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 854121 + ... + 938792.

It is an arithmetic number, because the mean of its divisors is an integer number (1788431715).

Almost surely, 2^75904764768 is an apocalyptic number.

It is an amenable number.

75904764768 is an abundant number, since it is smaller than the sum of its proper divisors (181629402192).

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

75904764768 is a wasteful number, since it uses less digits than its factorization.

75904764768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792946 (or 1792925 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 63.

The spelling of 75904764768 in words is "seventy-five billion, nine hundred four million, seven hundred sixty-four thousand, seven hundred sixty-eight".