76538815876 has 48 divisors (see below), whose sum is σ = 135711431856. Its totient is φ = 37768679424.

The previous prime is 76538815849. The next prime is 76538815901. The reversal of 76538815876 is 67851883567.

It can be written as a sum of positive squares in 8 ways, for example, as 2364293376 + 74174522500 = 48624^2 + 272350^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61873930 + ... + 61875166.

It is an arithmetic number, because the mean of its divisors is an integer number (2827321497).

Almost surely, 2^76538815876 is an apocalyptic number.

It is an amenable number.

76538815876 is a deficient number, since it is larger than the sum of its proper divisors (59172615980).

76538815876 is a wasteful number, since it uses less digits than its factorization.

76538815876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008 (or 2006 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 64.

The spelling of 76538815876 in words is "seventy-six billion, five hundred thirty-eight million, eight hundred fifteen thousand, eight hundred seventy-six".