86252817 has 16 divisors (see below), whose sum is σ = 132275072. Its totient is φ = 48971520.

The previous prime is 86252813. The next prime is 86252821. The reversal of 86252817 is 71825268.

It is an interprime number because it is at equal distance from previous prime (86252813) and next prime (86252821).

It is not a de Polignac number, because 86252817 - 2² = 86252813 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86252813) 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, 9784 + ... + 16377.

It is an arithmetic number, because the mean of its divisors is an integer number (8267192).

Almost surely, 2^86252817 is an apocalyptic number.

It is an amenable number.

86252817 is a deficient number, since it is larger than the sum of its proper divisors (46022255).

86252817 is a wasteful number, since it uses less digits than its factorization.

86252817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26328.

The product of its digits is 53760, while the sum is 39.

The square root of 86252817 is about 9287.2394714468. The cubic root of 86252817 is about 441.8326062278.

The spelling of 86252817 in words is "eighty-six million, two hundred fifty-two thousand, eight hundred seventeen".