78876503316 has 72 divisors (see below), whose sum is σ = 216933096744. Its totient is φ = 24019476480.

The previous prime is 78876503269. The next prime is 78876503327. The reversal of 78876503316 is 61330567887.

It can be written as a sum of positive squares in 4 ways, for example, as 817731216 + 78058772100 = 28596^2 + 279390^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 823365 + ... + 914156.

It is an arithmetic number, because the mean of its divisors is an integer number (3012959677).

Almost surely, 2^78876503316 is an apocalyptic number.

It is an amenable number.

78876503316 is an abundant number, since it is smaller than the sum of its proper divisors (138056593428).

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

78876503316 is a wasteful number, since it uses less digits than its factorization.

78876503316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737641 (or 1737636 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 78876503316 in words is "seventy-eight billion, eight hundred seventy-six million, five hundred three thousand, three hundred sixteen".