76557075540 has 96 divisors (see below), whose sum is σ = 236474743680. Its totient is φ = 18350745600.

The previous prime is 76557075481. The next prime is 76557075559. The reversal of 76557075540 is 4557075567.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 592921 + ... + 710400.

It is an arithmetic number, because the mean of its divisors is an integer number (2463278580).

Almost surely, 2^76557075540 is an apocalyptic number.

It is an amenable number.

76557075540 is an abundant number, since it is smaller than the sum of its proper divisors (159917668140).

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

76557075540 is a wasteful number, since it uses less digits than its factorization.

76557075540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303433 (or 1303431 counting only the distinct ones).

The product of its (nonzero) digits is 5145000, while the sum is 51.

The spelling of 76557075540 in words is "seventy-six billion, five hundred fifty-seven million, seventy-five thousand, five hundred forty".