102170757790 has 16 divisors (see below), whose sum is σ = 183941600112. Its totient is φ = 40860695104.

The previous prime is 102170757779. The next prime is 102170757839. The reversal of 102170757790 is 97757071201.

It is a self number, because there is not a number n which added to its sum of digits gives 102170757790.

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, 894439 + ... + 1002178.

It is an arithmetic number, because the mean of its divisors is an integer number (11496350007).

Almost surely, 2^102170757790 is an apocalyptic number.

102170757790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102170757790 is a deficient number, since it is larger than the sum of its proper divisors (81770842322).

102170757790 is a wasteful number, since it uses less digits than its factorization.

102170757790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902011.

The product of its (nonzero) digits is 216090, while the sum is 46.

The spelling of 102170757790 in words is "one hundred two billion, one hundred seventy million, seven hundred fifty-seven thousand, seven hundred ninety".