76849819524 has 45 divisors (see below), whose sum is σ = 200913653941. Its totient is φ = 25614943200.

The previous prime is 76849819447. The next prime is 76849819567. The reversal of 76849819524 is 42591894867.

The square root of 76849819524 is 277218.

It is a perfect power (a square), and thus also a powerful number.

76849819524 is a `hidden beast` number, since 7 + 6 + 8 + 4 + 98 + 19 + 524 = 666.

It can be written as a sum of positive squares in only one way, i.e., 76351637124 + 498182400 = 276318^2 + 22320^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4982224 + ... + 4997624.

Almost surely, 2^76849819524 is an apocalyptic number.

76849819524 is the 277218-th square number.

It is an amenable number.

76849819524 is an abundant number, since it is smaller than the sum of its proper divisors (124063834417).

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

76849819524 is an frugal number, since it uses more digits than its factorization.

76849819524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30818 (or 15406 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 76849819524 in words is "seventy-six billion, eight hundred forty-nine million, eight hundred nineteen thousand, five hundred twenty-four".