76872835920 has 80 divisors (see below), whose sum is σ = 241862644800. Its totient is φ = 20193457152.

The previous prime is 76872835883. The next prime is 76872835937. The reversal of 76872835920 is 2953827867.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2374245 + ... + 2406404.

It is an arithmetic number, because the mean of its divisors is an integer number (3023283060).

Almost surely, 2^76872835920 is an apocalyptic number.

It is an amenable number.

76872835920 is an abundant number, since it is smaller than the sum of its proper divisors (164989808880).

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

76872835920 is a wasteful number, since it uses less digits than its factorization.

76872835920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780732 (or 4780726 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 76872835920 in words is "seventy-six billion, eight hundred seventy-two million, eight hundred thirty-five thousand, nine hundred twenty".