102107775868 has 96 divisors (see below), whose sum is σ = 217713807360. Its totient is φ = 40959959040.

The previous prime is 102107775859. The next prime is 102107775907. The reversal of 102107775868 is 868577701201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5740108 + ... + 5757868.

It is an arithmetic number, because the mean of its divisors is an integer number (2267852160).

Almost surely, 2^102107775868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102107775868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108856903680).

102107775868 is an abundant number, since it is smaller than the sum of its proper divisors (115606031492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102107775868 is a wasteful number, since it uses less digits than its factorization.

102107775868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17987 (or 17985 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 52.

The spelling of 102107775868 in words is "one hundred two billion, one hundred seven million, seven hundred seventy-five thousand, eight hundred sixty-eight".