86057817 has 4 divisors (see below), whose sum is σ = 114743760. Its totient is φ = 57371876.

The previous prime is 86057801. The next prime is 86057833. The reversal of 86057817 is 71875068.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (86057801) and next prime (86057833).

It is a cyclic number.

It is not a de Polignac number, because 86057817 - 2⁴ = 86057801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86057837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14342967 + ... + 14342972.

It is an arithmetic number, because the mean of its divisors is an integer number (28685940).

Almost surely, 2^86057817 is an apocalyptic number.

It is an amenable number.

86057817 is a deficient number, since it is larger than the sum of its proper divisors (28685943).

86057817 is a wasteful number, since it uses less digits than its factorization.

86057817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28685942.

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 86057817 is about 9276.7352554657. The cubic root of 86057817 is about 441.4993905681.

The spelling of 86057817 in words is "eighty-six million, fifty-seven thousand, eight hundred seventeen".