102099999974 has 16 divisors (see below), whose sum is σ = 175049641728. Its totient is φ = 43751875272.

The previous prime is 102099999961. The next prime is 102100000021. The reversal of 102099999974 is 479999990201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317354 + ... + 552189.

It is an arithmetic number, because the mean of its divisors is an integer number (10940602608).

Almost surely, 2^102099999974 is an apocalyptic number.

102099999974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102099999974 is a deficient number, since it is larger than the sum of its proper divisors (72949641754).

102099999974 is an equidigital number, since it uses as much as digits as its factorization.

102099999974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877939.

The product of its (nonzero) digits is 29760696, while the sum is 68.

The spelling of 102099999974 in words is "one hundred two billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred seventy-four".