79044687886 has 4 divisors (see below), whose sum is σ = 118567031832. Its totient is φ = 39522343942.

The previous prime is 79044687847. The next prime is 79044687941. The reversal of 79044687886 is 68878644097.

It is a semiprime because it is the product of two primes.

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, 19761171970 + ... + 19761171973.

It is an arithmetic number, because the mean of its divisors is an integer number (29641757958).

Almost surely, 2^79044687886 is an apocalyptic number.

79044687886 is a deficient number, since it is larger than the sum of its proper divisors (39522343946).

79044687886 is a wasteful number, since it uses less digits than its factorization.

79044687886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39522343945.

The product of its (nonzero) digits is 130056192, while the sum is 67.

The spelling of 79044687886 in words is "seventy-nine billion, forty-four million, six hundred eighty-seven thousand, eight hundred eighty-six".