78626875 has 10 divisors (see below), whose sum is σ = 98252924. Its totient is φ = 62901000.

The previous prime is 78626861. The next prime is 78626893. The reversal of 78626875 is 57862687.

It is not a de Polignac number, because 78626875 - 2⁹ = 78626363 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62277 + ... + 63526.

Almost surely, 2^78626875 is an apocalyptic number.

78626875 is a deficient number, since it is larger than the sum of its proper divisors (19626049).

78626875 is an equidigital number, since it uses as much as digits as its factorization.

78626875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125823 (or 125808 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 49.

The square root of 78626875 is about 8867.1796530802. The cubic root of 78626875 is about 428.4074405667.

The spelling of 78626875 in words is "seventy-eight million, six hundred twenty-six thousand, eight hundred seventy-five".