86500807 has 4 divisors (see below), whose sum is σ = 86558200. Its totient is φ = 86443416.

The previous prime is 86500793. The next prime is 86500829. The reversal of 86500807 is 70800568.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86500807 - 2⁷ = 86500679 is a prime.

It is a super-2 number, since 2×86500807² = 14964779223302498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86500837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26373 + ... + 29470.

It is an arithmetic number, because the mean of its divisors is an integer number (21639550).

Almost surely, 2^86500807 is an apocalyptic number.

86500807 is a deficient number, since it is larger than the sum of its proper divisors (57393).

86500807 is a wasteful number, since it uses less digits than its factorization.

86500807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57392.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 86500807 is about 9300.5810033567. The cubic root of 86500807 is about 442.2556464214.

The spelling of 86500807 in words is "eighty-six million, five hundred thousand, eight hundred seven".