102072979802 has 8 divisors (see below), whose sum is σ = 153674450112. Its totient is φ = 50848163100.

The previous prime is 102072979763. The next prime is 102072979819. The reversal of 102072979802 is 208979270201.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94162724 + ... + 94163807.

It is an arithmetic number, because the mean of its divisors is an integer number (19209306264).

Almost surely, 2^102072979802 is an apocalyptic number.

102072979802 is a deficient number, since it is larger than the sum of its proper divisors (51601470310).

102072979802 is a wasteful number, since it uses less digits than its factorization.

102072979802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188326804.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 102072979802 in words is "one hundred two billion, seventy-two million, nine hundred seventy-nine thousand, eight hundred two".