78971204104 has 32 divisors (see below), whose sum is σ = 159472719000. Its totient is φ = 36445588992.

The previous prime is 78971204051. The next prime is 78971204111. The reversal of 78971204104 is 40140217987.

It can be written as a sum of positive squares in 4 ways, for example, as 4495702500 + 74475501604 = 67050^2 + 272902^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2573202 + ... + 2603710.

Almost surely, 2^78971204104 is an apocalyptic number.

It is an amenable number.

78971204104 is an abundant number, since it is smaller than the sum of its proper divisors (80501514896).

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

78971204104 is a wasteful number, since it uses less digits than its factorization.

78971204104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55417 (or 55413 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 78971204104 in words is "seventy-eight billion, nine hundred seventy-one million, two hundred four thousand, one hundred four".