82668268 has 6 divisors (see below), whose sum is σ = 144669476. Its totient is φ = 41334132.

The previous prime is 82668203. The next prime is 82668277. The reversal of 82668268 is 86286628.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10333530 + ... + 10333537.

Almost surely, 2^82668268 is an apocalyptic number.

It is an amenable number.

82668268 is a deficient number, since it is larger than the sum of its proper divisors (62001208).

82668268 is a wasteful number, since it uses less digits than its factorization.

82668268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20667071 (or 20667069 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 82668268 is about 9092.2091924900. The cubic root of 82668268 is about 435.6251512631.

The spelling of 82668268 in words is "eighty-two million, six hundred sixty-eight thousand, two hundred sixty-eight".