82943688 has 32 divisors (see below), whose sum is σ = 207725760. Its totient is φ = 27599040.

The previous prime is 82943669. The next prime is 82943701. The reversal of 82943688 is 88634928.

It is a happy 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, 12406 + ... + 17882.

It is an arithmetic number, because the mean of its divisors is an integer number (6491430).

Almost surely, 2^82943688 is an apocalyptic number.

It is an amenable number.

82943688 is an abundant number, since it is smaller than the sum of its proper divisors (124782072).

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

82943688 is a wasteful number, since it uses less digits than its factorization.

82943688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117 (or 6113 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 82943688 is about 9107.3425322648. The cubic root of 82943688 is about 436.1083954603.

The spelling of 82943688 in words is "eighty-two million, nine hundred forty-three thousand, six hundred eighty-eight".