78631876 has 24 divisors (see below), whose sum is σ = 144083520. Its totient is φ = 37498272.

The previous prime is 78631853. The next prime is 78631897. The reversal of 78631876 is 67813687.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5545 + ... + 13711.

It is an arithmetic number, because the mean of its divisors is an integer number (6003480).

Almost surely, 2^78631876 is an apocalyptic number.

It is an amenable number.

78631876 is a deficient number, since it is larger than the sum of its proper divisors (65451644).

78631876 is a wasteful number, since it uses less digits than its factorization.

78631876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8283 (or 8281 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 78631876 is about 8867.4616435596. The cubic root of 78631876 is about 428.4165232126.

It can be divided in two parts, 78631 and 876, that added together give a cube (79507 = 43³).

The spelling of 78631876 in words is "seventy-eight million, six hundred thirty-one thousand, eight hundred seventy-six".