86678244 has 36 divisors (see below), whose sum is σ = 220343760. Its totient is φ = 28729200.

The previous prime is 86678233. The next prime is 86678281. The reversal of 86678244 is 44287668.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 86678244.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 282 + ... + 13169.

It is an arithmetic number, because the mean of its divisors is an integer number (6120660).

Almost surely, 2^86678244 is an apocalyptic number.

It is an amenable number.

86678244 is an abundant number, since it is smaller than the sum of its proper divisors (133665516).

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

86678244 is a wasteful number, since it uses less digits than its factorization.

86678244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13640 (or 13635 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 86678244 is about 9310.1151442933. The cubic root of 86678244 is about 442.5578359719.

The spelling of 86678244 in words is "eighty-six million, six hundred seventy-eight thousand, two hundred forty-four".