102902579817 has 8 divisors (see below), whose sum is σ = 137205081024. Its totient is φ = 68600899248.

The previous prime is 102902579789. The next prime is 102902579821. The reversal of 102902579817 is 718975209201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102902579817 - 2¹⁴ = 102902563433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102902579817.

It is not an unprimeable number, because it can be changed into a prime (102902579917) 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, 204003 + ... + 497415.

It is an arithmetic number, because the mean of its divisors is an integer number (17150635128).

Almost surely, 2^102902579817 is an apocalyptic number.

It is an amenable number.

102902579817 is a deficient number, since it is larger than the sum of its proper divisors (34302501207).

102902579817 is a wasteful number, since it uses less digits than its factorization.

102902579817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410319.

The product of its (nonzero) digits is 635040, while the sum is 51.

The spelling of 102902579817 in words is "one hundred two billion, nine hundred two million, five hundred seventy-nine thousand, eight hundred seventeen".