82668996 has 72 divisors (see below), whose sum is σ = 214949280. Its totient is φ = 26780544.

The previous prime is 82668983. The next prime is 82669001. The reversal of 82668996 is 69986628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217935 + ... + 218313.

Almost surely, 2^82668996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82668996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107474640).

82668996 is an abundant number, since it is smaller than the sum of its proper divisors (132280284).

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

82668996 is a wasteful number, since it uses less digits than its factorization.

82668996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 540 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 82668996 is about 9092.2492266765. The cubic root of 82668996 is about 435.6264300052.

The spelling of 82668996 in words is "eighty-two million, six hundred sixty-eight thousand, nine hundred ninety-six".