79867013790 has 16 divisors (see below), whose sum is σ = 191680833168. Its totient is φ = 21297870336.

The previous prime is 79867013749. The next prime is 79867013801. The reversal of 79867013790 is 9731076897.

It is a self number, because there is not a number n which added to its sum of digits gives 79867013790.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331116867 + ... + 1331116926.

It is an arithmetic number, because the mean of its divisors is an integer number (11980052073).

Almost surely, 2^79867013790 is an apocalyptic number.

79867013790 is an abundant number, since it is smaller than the sum of its proper divisors (111813819378).

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

79867013790 is a wasteful number, since it uses less digits than its factorization.

79867013790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662233803.

The product of its (nonzero) digits is 4000752, while the sum is 57.

The spelling of 79867013790 in words is "seventy-nine billion, eight hundred sixty-seven million, thirteen thousand, seven hundred ninety".