86518933 has 8 divisors (see below), whose sum is σ = 92173248. Its totient is φ = 80927424.

The previous prime is 86518931. The next prime is 86518973. The reversal of 86518933 is 33981568.

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 86518933 - 2¹ = 86518931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86518933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86518931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12841 + ... + 18382.

It is an arithmetic number, because the mean of its divisors is an integer number (11521656).

Almost surely, 2^86518933 is an apocalyptic number.

It is an amenable number.

86518933 is a deficient number, since it is larger than the sum of its proper divisors (5654315).

86518933 is a wasteful number, since it uses less digits than its factorization.

86518933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31403.

The product of its digits is 155520, while the sum is 43.

The square root of 86518933 is about 9301.5554075649. Note that the first 3 decimals coincide. The cubic root of 86518933 is about 442.2865354049.

The spelling of 86518933 in words is "eighty-six million, five hundred eighteen thousand, nine hundred thirty-three".