86208687 has 12 divisors (see below), whose sum is σ = 126873864. Its totient is φ = 56387760.

The previous prime is 86208659. The next prime is 86208701. The reversal of 86208687 is 78680268.

It is not a de Polignac number, because 86208687 - 2⁷ = 86208559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86208607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89889 + ... + 90842.

It is an arithmetic number, because the mean of its divisors is an integer number (10572822).

Almost surely, 2^86208687 is an apocalyptic number.

86208687 is a deficient number, since it is larger than the sum of its proper divisors (40665177).

86208687 is a wasteful number, since it uses less digits than its factorization.

86208687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180790 (or 180787 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 86208687 is about 9284.8633269424. The cubic root of 86208687 is about 441.7572409631.

The spelling of 86208687 in words is "eighty-six million, two hundred eight thousand, six hundred eighty-seven".