86117899 has 8 divisors (see below), whose sum is σ = 103600640. Its totient is φ = 69930216.

The previous prime is 86117893. The next prime is 86117947. The reversal of 86117899 is 99871168.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86117899 - 2¹³ = 86109707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86117893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323619 + ... + 323884.

It is an arithmetic number, because the mean of its divisors is an integer number (12950080).

Almost surely, 2^86117899 is an apocalyptic number.

86117899 is a deficient number, since it is larger than the sum of its proper divisors (17482741).

86117899 is a wasteful number, since it uses less digits than its factorization.

86117899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647529.

The product of its digits is 217728, while the sum is 49.

The square root of 86117899 is about 9279.9730064263. The cubic root of 86117899 is about 441.6021121900.

The spelling of 86117899 in words is "eighty-six million, one hundred seventeen thousand, eight hundred ninety-nine".