78568842 has 32 divisors (see below), whose sum is σ = 172396224. Its totient is φ = 23673600.

The previous prime is 78568837. The next prime is 78568877. The reversal of 78568842 is 24886587.

It is a junction number, because it is equal to n+sod(n) for n = 78568791 and 78568800.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8658 + ... + 15234.

It is an arithmetic number, because the mean of its divisors is an integer number (5387382).

Almost surely, 2^78568842 is an apocalyptic number.

78568842 is an abundant number, since it is smaller than the sum of its proper divisors (93827382).

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

78568842 is a wasteful number, since it uses less digits than its factorization.

78568842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6774.

The product of its digits is 860160, while the sum is 48.

The square root of 78568842 is about 8863.9067007725. The cubic root of 78568842 is about 428.3020148321.

The spelling of 78568842 in words is "seventy-eight million, five hundred sixty-eight thousand, eight hundred forty-two".