86626138 has 8 divisors (see below), whose sum is σ = 130497588. Its totient is φ = 43126944.

The previous prime is 86626129. The next prime is 86626159. The reversal of 86626138 is 83162668.

It can be written as a sum of positive squares in 2 ways, for example, as 81595089 + 5031049 = 9033^2 + 2243^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 86626138.

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, 92481 + ... + 93412.

Almost surely, 2^86626138 is an apocalyptic number.

86626138 is a deficient number, since it is larger than the sum of its proper divisors (43871450).

86626138 is a wasteful number, since it uses less digits than its factorization.

86626138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186128.

The product of its digits is 82944, while the sum is 40.

The square root of 86626138 is about 9307.3163693946. The cubic root of 86626138 is about 442.4691380478.

The spelling of 86626138 in words is "eighty-six million, six hundred twenty-six thousand, one hundred thirty-eight".