79884000786 has 64 divisors (see below), whose sum is σ = 169288358400. Its totient is φ = 25060098816.

The previous prime is 79884000613. The next prime is 79884000787. The reversal of 79884000786 is 68700048897.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (79884000787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36260361 + ... + 36262563.

It is an arithmetic number, because the mean of its divisors is an integer number (2645130600).

Almost surely, 2^79884000786 is an apocalyptic number.

79884000786 is an abundant number, since it is smaller than the sum of its proper divisors (89404357614).

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

79884000786 is a wasteful number, since it uses less digits than its factorization.

79884000786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183.

The product of its (nonzero) digits is 5419008, while the sum is 57.

The spelling of 79884000786 in words is "seventy-nine billion, eight hundred eighty-four million, seven hundred eighty-six", and thus it is an aban number.