86868158 has 8 divisors (see below), whose sum is σ = 140325528. Its totient is φ = 40092984.

The previous prime is 86868157. The next prime is 86868167. The reversal of 86868158 is 85186868.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86868151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670516 + ... + 1670567.

It is an arithmetic number, because the mean of its divisors is an integer number (17540691).

Almost surely, 2^86868158 is an apocalyptic number.

86868158 is a deficient number, since it is larger than the sum of its proper divisors (53457370).

86868158 is a wasteful number, since it uses less digits than its factorization.

86868158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341098.

The product of its digits is 737280, while the sum is 50.

The square root of 86868158 is about 9320.3089004603. The cubic root of 86868158 is about 442.8808182873.

The spelling of 86868158 in words is "eighty-six million, eight hundred sixty-eight thousand, one hundred fifty-eight".