86237783944 has 32 divisors (see below), whose sum is σ = 178381166040. Its totient is φ = 38831270400.

The previous prime is 86237783939. The next prime is 86237783953. The reversal of 86237783944 is 44938773268.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26687143044 + 59550640900 = 163362^2 + 244030^2 .

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 7 ways as a sum of consecutive naturals, for example, 10108047 + ... + 10116574.

Almost surely, 2^86237783944 is an apocalyptic number.

It is an amenable number.

86237783944 is an abundant number, since it is smaller than the sum of its proper divisors (92143382096).

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

86237783944 is a wasteful number, since it uses less digits than its factorization.

86237783944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20224681 (or 20224677 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 61.

The spelling of 86237783944 in words is "eighty-six billion, two hundred thirty-seven million, seven hundred eighty-three thousand, nine hundred forty-four".