83444664 has 16 divisors (see below), whose sum is σ = 208611720. Its totient is φ = 27814880.

The previous prime is 83444659. The next prime is 83444677. The reversal of 83444664 is 46644438.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 1738407 + ... + 1738454.

Almost surely, 2^83444664 is an apocalyptic number.

It is an amenable number.

83444664 is an abundant number, since it is smaller than the sum of its proper divisors (125167056).

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

83444664 is a wasteful number, since it uses less digits than its factorization.

83444664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476870 (or 3476866 counting only the distinct ones).

The product of its digits is 221184, while the sum is 39.

The square root of 83444664 is about 9134.8050882326. The cubic root of 83444664 is about 436.9846584026.

The spelling of 83444664 in words is "eighty-three million, four hundred forty-four thousand, six hundred sixty-four".