86688272 has 30 divisors (see below), whose sum is σ = 184619694. Its totient is φ = 39402880.

The previous prime is 86688269. The next prime is 86688281. The reversal of 86688272 is 27288668.

It can be written as a sum of positive squares in only one way, i.e., 86192656 + 495616 = 9284^2 + 704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20453 + ... + 24324.

Almost surely, 2^86688272 is an apocalyptic number.

It is an amenable number.

86688272 is an abundant number, since it is smaller than the sum of its proper divisors (97931422).

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

86688272 is a wasteful number, since it uses less digits than its factorization.

86688272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44807 (or 44790 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 86688272 is about 9310.6536827443. The cubic root of 86688272 is about 442.5749021492.

The spelling of 86688272 in words is "eighty-six million, six hundred eighty-eight thousand, two hundred seventy-two".