187960400904 has 32 divisors (see below), whose sum is σ = 470397258720. Its totient is φ = 62587299456.

The previous prime is 187960400891. The next prime is 187960400987. The reversal of 187960400904 is 409004069781.

It is a super-2 number, since 2×187960400904² (a number of 23 digits) contains 22 as substring.

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, 4112269 + ... + 4157724.

It is an arithmetic number, because the mean of its divisors is an integer number (14699914335).

Almost surely, 2^187960400904 is an apocalyptic number.

It is an amenable number.

187960400904 is an abundant number, since it is smaller than the sum of its proper divisors (282436857816).

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

187960400904 is a wasteful number, since it uses less digits than its factorization.

187960400904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8270949 (or 8270945 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 187960400904 in words is "one hundred eighty-seven billion, nine hundred sixty million, four hundred thousand, nine hundred four".