97766664 has 32 divisors (see below), whose sum is σ = 244705920. Its totient is φ = 32550336.

The previous prime is 97766663. The next prime is 97766671. The reversal of 97766664 is 46666779.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (97766663) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24369 + ... + 28095.

It is an arithmetic number, because the mean of its divisors is an integer number (7647060).

Almost surely, 2^97766664 is an apocalyptic number.

It is an amenable number.

97766664 is an abundant number, since it is smaller than the sum of its proper divisors (146939256).

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

97766664 is a wasteful number, since it uses less digits than its factorization.

97766664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4829 (or 4825 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 51.

The square root of 97766664 is about 9887.7026654325. The cubic root of 97766664 is about 460.6774265875.

The spelling of 97766664 in words is "ninety-seven million, seven hundred sixty-six thousand, six hundred sixty-four".