79015361994 has 36 divisors (see below), whose sum is σ = 175274009586. Its totient is φ = 25725920976.

The previous prime is 79015361969. The next prime is 79015362001. The reversal of 79015361994 is 49916351097.

79015361994 is a `hidden beast` number, since 7 + 9 + 0 + 1 + 536 + 19 + 94 = 666.

It can be written as a sum of positive squares in only one way, i.e., 78000111225 + 1015250769 = 279285^2 + 31863^2 .

It is a super-4 number, since 4×79015361994⁴ (a number of 45 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79015361994.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1153777 + ... + 1220340.

Almost surely, 2^79015361994 is an apocalyptic number.

79015361994 is an abundant number, since it is smaller than the sum of its proper divisors (96258647592).

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

79015361994 is a wasteful number, since it uses less digits than its factorization.

79015361994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374211 (or 2374165 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The spelling of 79015361994 in words is "seventy-nine billion, fifteen million, three hundred sixty-one thousand, nine hundred ninety-four".