86201687 has 16 divisors (see below), whose sum is σ = 101539872. Its totient is φ = 72145920.

The previous prime is 86201681. The next prime is 86201699. The reversal of 86201687 is 78610268.

It is not a de Polignac number, because 86201687 - 2²⁰ = 85153111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86201687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86201681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87743 + ... + 88719.

It is an arithmetic number, because the mean of its divisors is an integer number (6346242).

Almost surely, 2^86201687 is an apocalyptic number.

86201687 is a deficient number, since it is larger than the sum of its proper divisors (15338185).

86201687 is a wasteful number, since it uses less digits than its factorization.

86201687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 86201687 is about 9284.4863616680. The cubic root of 86201687 is about 441.7452839918.

The spelling of 86201687 in words is "eighty-six million, two hundred one thousand, six hundred eighty-seven".