86399807 has 16 divisors (see below), whose sum is σ = 95030208. Its totient is φ = 78071040.

The previous prime is 86399801. The next prime is 86399809. The reversal of 86399807 is 70899368.

It is a cyclic number.

It is not a de Polignac number, because 86399807 - 2⁴ = 86399791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86399801) 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, 171518 + ... + 172020.

It is an arithmetic number, because the mean of its divisors is an integer number (5939388).

Almost surely, 2^86399807 is an apocalyptic number.

86399807 is a deficient number, since it is larger than the sum of its proper divisors (8630401).

86399807 is a wasteful number, since it uses less digits than its factorization.

86399807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 86399807 is about 9295.1496491450. The cubic root of 86399807 is about 442.0834506616.

The spelling of 86399807 in words is "eighty-six million, three hundred ninety-nine thousand, eight hundred seven".