79991003102 has 16 divisors (see below), whose sum is σ = 120417656832. Its totient is φ = 39851989560.

The previous prime is 79991003101. The next prime is 79991003119. The reversal of 79991003102 is 20130019997.

It is a self number, because there is not a number n which added to its sum of digits gives 79991003102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79991003101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739103 + ... + 840389.

It is an arithmetic number, because the mean of its divisors is an integer number (7526103552).

Almost surely, 2^79991003102 is an apocalyptic number.

79991003102 is a deficient number, since it is larger than the sum of its proper divisors (40426653730).

79991003102 is a wasteful number, since it uses less digits than its factorization.

79991003102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102703.

The product of its (nonzero) digits is 30618, while the sum is 41.

It can be divided in two parts, 7999 and 1003102, that added together give a palindrome (1011101).

The spelling of 79991003102 in words is "seventy-nine billion, nine hundred ninety-one million, three thousand, one hundred two".