86889916 has 12 divisors (see below), whose sum is σ = 157300920. Its totient is φ = 41946800.

The previous prime is 86889893. The next prime is 86889937. The reversal of 86889916 is 61998868.

It is a congruent number.

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, 374410 + ... + 374641.

It is an arithmetic number, because the mean of its divisors is an integer number (13108410).

Almost surely, 2^86889916 is an apocalyptic number.

It is an amenable number.

86889916 is a deficient number, since it is larger than the sum of its proper divisors (70411004).

86889916 is a wasteful number, since it uses less digits than its factorization.

86889916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749084 (or 749082 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 55.

The square root of 86889916 is about 9321.4760633711. The cubic root of 86889916 is about 442.9177915452.

The spelling of 86889916 in words is "eighty-six million, eight hundred eighty-nine thousand, nine hundred sixteen".