97738664 has 8 divisors (see below), whose sum is σ = 183260010. Its totient is φ = 48869328.

The previous prime is 97738649. The next prime is 97738681. The reversal of 97738664 is 46683779.

It can be written as a sum of positive squares in only one way, i.e., 85192900 + 12545764 = 9230^2 + 3542^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6108659 + ... + 6108674.

Almost surely, 2^97738664 is an apocalyptic number.

It is an amenable number.

97738664 is a deficient number, since it is larger than the sum of its proper divisors (85521346).

97738664 is a wasteful number, since it uses less digits than its factorization.

97738664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12217339 (or 12217335 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The square root of 97738664 is about 9886.2866638592. The cubic root of 97738664 is about 460.6334436353.

The spelling of 97738664 in words is "ninety-seven million, seven hundred thirty-eight thousand, six hundred sixty-four".