86388752 has 20 divisors (see below), whose sum is σ = 167536896. Its totient is φ = 43153440.

The previous prime is 86388739. The next prime is 86388793. The reversal of 86388752 is 25788368.

Its product of digits (645120) is a multiple of the sum of its prime divisors (5120).

It is a junction number, because it is equal to n+sod(n) for n = 86388697 and 86388706.

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, 21977 + ... + 25607.

Almost surely, 2^86388752 is an apocalyptic number.

It is an amenable number.

86388752 is a deficient number, since it is larger than the sum of its proper divisors (81148144).

86388752 is a wasteful number, since it uses less digits than its factorization.

86388752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126 (or 5120 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 86388752 is about 9294.5549651395. The cubic root of 86388752 is about 442.0645947514.

The spelling of 86388752 in words is "eighty-six million, three hundred eighty-eight thousand, seven hundred fifty-two".