78982656 has 40 divisors (see below), whose sum is σ = 210418824. Its totient is φ = 26327040.

The previous prime is 78982633. The next prime is 78982681. The reversal of 78982656 is 65628987.

It is a junction number, because it is equal to n+sod(n) for n = 78982599 and 78982608.

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, 24175 + ... + 27246.

Almost surely, 2^78982656 is an apocalyptic number.

It is an amenable number.

78982656 is an abundant number, since it is smaller than the sum of its proper divisors (131436168).

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

78982656 is an equidigital number, since it uses as much as digits as its factorization.

78982656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51442 (or 51426 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 78982656 is about 8887.2186875310. The cubic root of 78982656 is about 429.0526394186.

The spelling of 78982656 in words is "seventy-eight million, nine hundred eighty-two thousand, six hundred fifty-six".