97560657 has 12 divisors (see below), whose sum is σ = 141157380. Its totient is φ = 64931328.

The previous prime is 97560653. The next prime is 97560677. The reversal of 97560657 is 75606579.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2322576 + 95238081 = 1524^2 + 9759^2 .

It is not a de Polignac number, because 97560657 - 2² = 97560653 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (97560653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3232 + ... + 14337.

It is an arithmetic number, because the mean of its divisors is an integer number (11763115).

Almost surely, 2^97560657 is an apocalyptic number.

It is an amenable number.

97560657 is a deficient number, since it is larger than the sum of its proper divisors (43596723).

97560657 is a wasteful number, since it uses less digits than its factorization.

97560657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18192 (or 18189 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The square root of 97560657 is about 9877.2798380931. The cubic root of 97560657 is about 460.3536300897.

The spelling of 97560657 in words is "ninety-seven million, five hundred sixty thousand, six hundred fifty-seven".