97580957 has 2 divisors, whose sum is σ = 97580958. Its totient is φ = 97580956.

The previous prime is 97580953. The next prime is 97580981. The reversal of 97580957 is 75908579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97042201 + 538756 = 9851^2 + 734^2 .

It is a cyclic number.

It is not a de Polignac number, because 97580957 - 2² = 97580953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97580953) by changing a digit.

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 as a sum of consecutive naturals, namely, 48790478 + 48790479.

It is an arithmetic number, because the mean of its divisors is an integer number (48790479).

Almost surely, 2^97580957 is an apocalyptic number.

It is an amenable number.

97580957 is a deficient number, since it is larger than the sum of its proper divisors (1).

97580957 is an equidigital number, since it uses as much as digits as its factorization.

97580957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 793800, while the sum is 50.

The square root of 97580957 is about 9878.3073955005. The cubic root of 97580957 is about 460.3855573401.

The spelling of 97580957 in words is "ninety-seven million, five hundred eighty thousand, nine hundred fifty-seven".