71887816876 has 12 divisors (see below), whose sum is σ = 125805556800. Its totient is φ = 35943372080.

The previous prime is 71887816837. The next prime is 71887816901. The reversal of 71887816876 is 67861878817.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456450 + ... + 593398.

It is an arithmetic number, because the mean of its divisors is an integer number (10483796400).

Almost surely, 2^71887816876 is an apocalyptic number.

It is an amenable number.

71887816876 is a deficient number, since it is larger than the sum of its proper divisors (53917739924).

71887816876 is a wasteful number, since it uses less digits than its factorization.

71887816876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268184 (or 268182 counting only the distinct ones).

The product of its digits is 50577408, while the sum is 67.

The spelling of 71887816876 in words is "seventy-one billion, eight hundred eighty-seven million, eight hundred sixteen thousand, eight hundred seventy-six".