76538815875 has 48 divisors (see below), whose sum is σ = 138106167264. Its totient is φ = 40781592000.

The previous prime is 76538815849. The next prime is 76538815901. The reversal of 76538815875 is 57851883567.

76538815875 is a `hidden beast` number, since 7 + 6 + 538 + 8 + 15 + 87 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (76538815849) and next prime (76538815901).

It is not a de Polignac number, because 76538815875 - 2¹⁰ = 76538814851 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1161564 + ... + 1225686.

It is an arithmetic number, because the mean of its divisors is an integer number (2877211818).

Almost surely, 2^76538815875 is an apocalyptic number.

76538815875 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

76538815875 is a deficient number, since it is larger than the sum of its proper divisors (61567351389).

76538815875 is a wasteful number, since it uses less digits than its factorization.

76538815875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65205 (or 65192 counting only the distinct ones).

The product of its digits is 56448000, while the sum is 63.

The spelling of 76538815875 in words is "seventy-six billion, five hundred thirty-eight million, eight hundred fifteen thousand, eight hundred seventy-five".