86868418 has 32 divisors (see below), whose sum is σ = 168819840. Its totient is φ = 32555520.

The previous prime is 86868407. The next prime is 86868421. The reversal of 86868418 is 81486868.

It is a super-2 number, since 2×86868418² = 15092244091645448, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9103 + ... + 16018.

It is an arithmetic number, because the mean of its divisors is an integer number (5275620).

Almost surely, 2^86868418 is an apocalyptic number.

86868418 is a deficient number, since it is larger than the sum of its proper divisors (81951422).

86868418 is a wasteful number, since it uses less digits than its factorization.

86868418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25162.

The product of its digits is 589824, while the sum is 49.

The square root of 86868418 is about 9320.3228484855. The cubic root of 86868418 is about 442.8812601404.

The spelling of 86868418 in words is "eighty-six million, eight hundred sixty-eight thousand, four hundred eighteen".