78952856 has 32 divisors (see below), whose sum is σ = 153792000. Its totient is φ = 37970976.

The previous prime is 78952843. The next prime is 78952871. The reversal of 78952856 is 65825987.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20405 + ... + 23963.

It is an arithmetic number, because the mean of its divisors is an integer number (4806000).

Almost surely, 2^78952856 is an apocalyptic number.

It is an amenable number.

78952856 is a deficient number, since it is larger than the sum of its proper divisors (74839144).

78952856 is a wasteful number, since it uses less digits than its factorization.

78952856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671 (or 3667 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 50.

The square root of 78952856 is about 8885.5419643373. The cubic root of 78952856 is about 428.9986723932.

The spelling of 78952856 in words is "seventy-eight million, nine hundred fifty-two thousand, eight hundred fifty-six".