86590867 has 16 divisors (see below), whose sum is σ = 96764544. Its totient is φ = 77464200.

The previous prime is 86590849. The next prime is 86590891. The reversal of 86590867 is 76809568.

It is not a de Polignac number, because 86590867 - 2¹⁹ = 86066579 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 86590867.

It is not an unprimeable number, because it can be changed into a prime (86590807) 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, 88692 + ... + 89662.

It is an arithmetic number, because the mean of its divisors is an integer number (6047784).

Almost surely, 2^86590867 is an apocalyptic number.

86590867 is a deficient number, since it is larger than the sum of its proper divisors (10173677).

86590867 is an equidigital number, since it uses as much as digits as its factorization.

86590867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 86590867 is about 9305.4213768104. The cubic root of 86590867 is about 442.4090774706.

The spelling of 86590867 in words is "eighty-six million, five hundred ninety thousand, eight hundred sixty-seven".