86944544 has 24 divisors (see below), whose sum is σ = 171425520. Its totient is φ = 43407936.

The previous prime is 86944519. The next prime is 86944567. The reversal of 86944544 is 44544968.

It is a junction number, because it is equal to n+sod(n) for n = 86944495 and 86944504.

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, 25907 + ... + 29069.

It is an arithmetic number, because the mean of its divisors is an integer number (7142730).

Almost surely, 2^86944544 is an apocalyptic number.

It is an amenable number.

86944544 is a deficient number, since it is larger than the sum of its proper divisors (84480976).

86944544 is a wasteful number, since it uses less digits than its factorization.

86944544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032 (or 4024 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 86944544 is about 9324.4058255741. The cubic root of 86944544 is about 443.0105934312.

The spelling of 86944544 in words is "eighty-six million, nine hundred forty-four thousand, five hundred forty-four".