83888664 has 32 divisors (see below), whose sum is σ = 213163440. Its totient is φ = 27504000.

The previous prime is 83888653. The next prime is 83888683. The reversal of 83888664 is 46688838.

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 7 ways as a sum of consecutive naturals, for example, 27187 + ... + 30114.

Almost surely, 2^83888664 is an apocalyptic number.

It is an amenable number.

83888664 is an abundant number, since it is smaller than the sum of its proper divisors (129274776).

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

83888664 is a wasteful number, since it uses less digits than its factorization.

83888664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57371 (or 57367 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 51.

The square root of 83888664 is about 9159.0754991975. The cubic root of 83888664 is about 437.7583371129.

The spelling of 83888664 in words is "eighty-three million, eight hundred eighty-eight thousand, six hundred sixty-four".