97666680 has 64 divisors (see below), whose sum is σ = 300932640. Its totient is φ = 25339392.

The previous prime is 97666601. The next prime is 97666703. The reversal of 97666680 is 8666679.

It is a happy number.

It is a hoax number, since the sum of its digits (48) 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6559 + ... + 15438.

Almost surely, 2^97666680 is an apocalyptic number.

It is an amenable number.

97666680 is an abundant number, since it is smaller than the sum of its proper divisors (203265960).

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

97666680 is a wasteful number, since it uses less digits than its factorization.

97666680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22048 (or 22044 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 97666680 is about 9882.6453948323. The cubic root of 97666680 is about 460.5203311778.

It can be divided in two parts, 97666 and 680, that added together give a triangular number (98346 = T₄₄₃).

The spelling of 97666680 in words is "ninety-seven million, six hundred sixty-six thousand, six hundred eighty".