86533998 has 8 divisors (see below), whose sum is σ = 173068008. Its totient is φ = 28844664.

The previous prime is 86533987. The next prime is 86534047. The reversal of 86533998 is 89933568.

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

86533998 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86533998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7211161 + ... + 7211172.

It is an arithmetic number, because the mean of its divisors is an integer number (21633501).

Almost surely, 2^86533998 is an apocalyptic number.

86533998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86533998 is a wasteful number, since it uses less digits than its factorization.

86533998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14422338.

The product of its digits is 1399680, while the sum is 51.

The square root of 86533998 is about 9302.3651831134. The cubic root of 86533998 is about 442.3122047766.

The spelling of 86533998 in words is "eighty-six million, five hundred thirty-three thousand, nine hundred ninety-eight".