86928285 has 16 divisors (see below), whose sum is σ = 139207680. Its totient is φ = 46320960.

The previous prime is 86928253. The next prime is 86928313. The reversal of 86928285 is 58282968.

It is not a de Polignac number, because 86928285 - 2⁵ = 86928253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23940 + ... + 27330.

It is an arithmetic number, because the mean of its divisors is an integer number (8700480).

Almost surely, 2^86928285 is an apocalyptic number.

It is an amenable number.

86928285 is a deficient number, since it is larger than the sum of its proper divisors (52279395).

86928285 is a wasteful number, since it uses less digits than its factorization.

86928285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5108.

The product of its digits is 552960, while the sum is 48.

The square root of 86928285 is about 9323.5339330106. The cubic root of 86928285 is about 442.9829767538.

The spelling of 86928285 in words is "eighty-six million, nine hundred twenty-eight thousand, two hundred eighty-five".