86911699 has 4 divisors (see below), whose sum is σ = 99327664. Its totient is φ = 74495736.

The previous prime is 86911697. The next prime is 86911723. The reversal of 86911699 is 99611968.

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

It is not a de Polignac number, because 86911699 - 2¹ = 86911697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86911697) 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, 6207972 + ... + 6207985.

It is an arithmetic number, because the mean of its divisors is an integer number (24831916).

Almost surely, 2^86911699 is an apocalyptic number.

86911699 is a deficient number, since it is larger than the sum of its proper divisors (12415965).

86911699 is a wasteful number, since it uses less digits than its factorization.

86911699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12415964.

The product of its digits is 209952, while the sum is 49.

The square root of 86911699 is about 9322.6444209784. The cubic root of 86911699 is about 442.9548011031.

The spelling of 86911699 in words is "eighty-six million, nine hundred eleven thousand, six hundred ninety-nine".