86664244 has 12 divisors (see below), whose sum is σ = 159644800. Its totient is φ = 41051448.

The previous prime is 86664239. The next prime is 86664257. The reversal of 86664244 is 44246668.

It is a junction number, because it is equal to n+sod(n) for n = 86664197 and 86664206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570084 + ... + 570235.

Almost surely, 2^86664244 is an apocalyptic number.

It is an amenable number.

86664244 is a deficient number, since it is larger than the sum of its proper divisors (72980556).

86664244 is a wasteful number, since it uses less digits than its factorization.

86664244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140342 (or 1140340 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

The square root of 86664244 is about 9309.3632435307. The cubic root of 86664244 is about 442.5340078346.

The spelling of 86664244 in words is "eighty-six million, six hundred sixty-four thousand, two hundred forty-four".