102107775872 has 16 divisors (see below), whose sum is σ = 203417835000. Its totient is φ = 51053887872.

The previous prime is 102107775859. The next prime is 102107775907. The reversal of 102107775872 is 278577701201.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398858372 + ... + 398858627.

Almost surely, 2^102107775872 is an apocalyptic number.

It is an amenable number.

102107775872 is a deficient number, since it is larger than the sum of its proper divisors (101310059128).

102107775872 is an frugal number, since it uses more digits than its factorization.

102107775872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797717013 (or 797717001 counting only the distinct ones).

The product of its (nonzero) digits is 384160, while the sum is 47.

The spelling of 102107775872 in words is "one hundred two billion, one hundred seven million, seven hundred seventy-five thousand, eight hundred seventy-two".