97766766 has 48 divisors (see below), whose sum is σ = 216216000. Its totient is φ = 31921344.

The previous prime is 97766749. The next prime is 97766771. The reversal of 97766766 is 66766779.

It is a hoax number, since the sum of its digits (54) 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 (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279960 + ... + 280308.

It is an arithmetic number, because the mean of its divisors is an integer number (4504500).

Almost surely, 2^97766766 is an apocalyptic number.

97766766 is an abundant number, since it is smaller than the sum of its proper divisors (118449234).

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

97766766 is a wasteful number, since it uses less digits than its factorization.

97766766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 630 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 54.

The square root of 97766766 is about 9887.7078233532. The cubic root of 97766766 is about 460.6775867958.

The spelling of 97766766 in words is "ninety-seven million, seven hundred sixty-six thousand, seven hundred sixty-six".