102072979799 has 16 divisors (see below), whose sum is σ = 117591991872. Its totient is φ = 86790832128.

The previous prime is 102072979763. The next prime is 102072979819. The reversal of 102072979799 is 997979270201.

It is not a de Polignac number, because 102072979799 - 2⁸ = 102072979543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102072979739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369887 + ... + 583919.

It is an arithmetic number, because the mean of its divisors is an integer number (7349499492).

Almost surely, 2^102072979799 is an apocalyptic number.

102072979799 is a deficient number, since it is larger than the sum of its proper divisors (15519012073).

102072979799 is a wasteful number, since it uses less digits than its factorization.

102072979799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214586.

The product of its (nonzero) digits is 9001692, while the sum is 62.

The spelling of 102072979799 in words is "one hundred two billion, seventy-two million, nine hundred seventy-nine thousand, seven hundred ninety-nine".