78056812084 has 6 divisors (see below), whose sum is σ = 136599421154. Its totient is φ = 39028406040.

The previous prime is 78056812063. The next prime is 78056812109. The reversal of 78056812084 is 48021865087.

It can be written as a sum of positive squares in only one way, i.e., 73327224100 + 4729587984 = 270790^2 + 68772^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9757101507 + ... + 9757101514.

Almost surely, 2^78056812084 is an apocalyptic number.

It is an amenable number.

78056812084 is a deficient number, since it is larger than the sum of its proper divisors (58542609070).

78056812084 is a wasteful number, since it uses less digits than its factorization.

78056812084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19514203025 (or 19514203023 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 78056812084 in words is "seventy-eight billion, fifty-six million, eight hundred twelve thousand, eighty-four".