78706876 has 12 divisors (see below), whose sum is σ = 139101480. Its totient is φ = 38963600.

The previous prime is 78706847. The next prime is 78706907. The reversal of 78706876 is 67860787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97006 + ... + 97813.

It is an arithmetic number, because the mean of its divisors is an integer number (11591790).

Almost surely, 2^78706876 is an apocalyptic number.

It is an amenable number.

78706876 is a deficient number, since it is larger than the sum of its proper divisors (60394604).

78706876 is a wasteful number, since it uses less digits than its factorization.

78706876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194924 (or 194922 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 49.

The square root of 78706876 is about 8871.6895797813. The cubic root of 78706876 is about 428.5526894875.

The spelling of 78706876 in words is "seventy-eight million, seven hundred six thousand, eight hundred seventy-six".