86235878 has 16 divisors (see below), whose sum is σ = 135959040. Its totient is φ = 40943496.

The previous prime is 86235857. The next prime is 86235887. The reversal of 86235878 is 87853268.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350 + ... + 13137.

It is an arithmetic number, because the mean of its divisors is an integer number (8497440).

Almost surely, 2^86235878 is an apocalyptic number.

86235878 is a deficient number, since it is larger than the sum of its proper divisors (49723162).

86235878 is a wasteful number, since it uses less digits than its factorization.

86235878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13651.

The product of its digits is 645120, while the sum is 47.

The square root of 86235878 is about 9286.3274764570. The cubic root of 86235878 is about 441.8036808247.

The spelling of 86235878 in words is "eighty-six million, two hundred thirty-five thousand, eight hundred seventy-eight".