78356876 has 48 divisors (see below), whose sum is σ = 157743936. Its totient is φ = 33736704.

The previous prime is 78356857. The next prime is 78356903. The reversal of 78356876 is 67865387.

It is a super-2 number, since 2×78356876² = 12279600032958752, which contains 22 as substring.

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, 120785 + ... + 121431.

It is an arithmetic number, because the mean of its divisors is an integer number (3286332).

Almost surely, 2^78356876 is an apocalyptic number.

It is an amenable number.

78356876 is an abundant number, since it is smaller than the sum of its proper divisors (79387060).

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

78356876 is a wasteful number, since it uses less digits than its factorization.

78356876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 816 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The square root of 78356876 is about 8851.9419338358. The cubic root of 78356876 is about 427.9165048062.

The spelling of 78356876 in words is "seventy-eight million, three hundred fifty-six thousand, eight hundred seventy-six".