86679144 has 48 divisors (see below), whose sum is σ = 242856900. Its totient is φ = 27896064.

The previous prime is 86679133. The next prime is 86679169. The reversal of 86679144 is 44197668.

It can be written as a sum of positive squares in 2 ways, for example, as 84824100 + 1855044 = 9210^2 + 1362^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86679144.

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, 18669 + ... + 22844.

Almost surely, 2^86679144 is an apocalyptic number.

It is an amenable number.

86679144 is an abundant number, since it is smaller than the sum of its proper divisors (156177756).

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

86679144 is a wasteful number, since it uses less digits than its factorization.

86679144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41554 (or 41547 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 86679144 is about 9310.1634786936. The cubic root of 86679144 is about 442.5593676930.

The spelling of 86679144 in words is "eighty-six million, six hundred seventy-nine thousand, one hundred forty-four".