86733816 has 32 divisors (see below), whose sum is σ = 233514960. Its totient is φ = 26687232.

The previous prime is 86733791. The next prime is 86733833. The reversal of 86733816 is 61833768.

It is a congruent number.

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, 138685 + ... + 139308.

Almost surely, 2^86733816 is an apocalyptic number.

It is an amenable number.

86733816 is an abundant number, since it is smaller than the sum of its proper divisors (146781144).

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

86733816 is a wasteful number, since it uses less digits than its factorization.

86733816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278015 (or 278011 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 86733816 is about 9313.0991619332. The cubic root of 86733816 is about 442.6523947633.

The spelling of 86733816 in words is "eighty-six million, seven hundred thirty-three thousand, eight hundred sixteen".