97564329 has 12 divisors (see below), whose sum is σ = 141015732. Its totient is φ = 65001600.

The previous prime is 97564303. The next prime is 97564333. The reversal of 97564329 is 92346579.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21874329 + 75690000 = 4677^2 + 8700^2 .

It is a de Polignac number, because none of the positive numbers 2^k-97564329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97564349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19749 + ... + 24189.

It is an arithmetic number, because the mean of its divisors is an integer number (11751311).

Almost surely, 2^97564329 is an apocalyptic number.

It is an amenable number.

97564329 is a deficient number, since it is larger than the sum of its proper divisors (43451403).

97564329 is a wasteful number, since it uses less digits than its factorization.

97564329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6888 (or 6885 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 97564329 is about 9877.4657174804. The cubic root of 97564329 is about 460.3594056327.

The spelling of 97564329 in words is "ninety-seven million, five hundred sixty-four thousand, three hundred twenty-nine".