102987875406 has 32 divisors (see below), whose sum is σ = 234868279968. Its totient is φ = 29824542720.

The previous prime is 102987875339. The next prime is 102987875483. The reversal of 102987875406 is 604578789201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38832715 + ... + 38835366.

It is an arithmetic number, because the mean of its divisors is an integer number (7339633749).

Almost surely, 2^102987875406 is an apocalyptic number.

102987875406 is an abundant number, since it is smaller than the sum of its proper divisors (131880404562).

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

102987875406 is a wasteful number, since it uses less digits than its factorization.

102987875406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77668116.

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 102987875406 in words is "one hundred two billion, nine hundred eighty-seven million, eight hundred seventy-five thousand, four hundred six".