82666708 has 12 divisors (see below), whose sum is σ = 149333632. Its totient is φ = 39999960.

The previous prime is 82666693. The next prime is 82666711. The reversal of 82666708 is 80766628.

It is a super-2 number, since 2×82666708² = 13667569223114528, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 333210 + ... + 333457.

Almost surely, 2^82666708 is an apocalyptic number.

It is an amenable number.

82666708 is a deficient number, since it is larger than the sum of its proper divisors (66666924).

82666708 is a wasteful number, since it uses less digits than its factorization.

82666708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666702 (or 666700 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 82666708 is about 9092.1234043539. The cubic root of 82666708 is about 435.6224110762.

The spelling of 82666708 in words is "eighty-two million, six hundred sixty-six thousand, seven hundred eight".