97097579 has 2 divisors, whose sum is σ = 97097580. Its totient is φ = 97097578.

The previous prime is 97097531. The next prime is 97097599. The reversal of 97097579 is 97579079.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97097579 - 2⁸ = 97097323 is a prime.

It is a super-2 number, since 2×97097579² = 18855879695322482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97097579.

It is not a weakly prime, because it can be changed into another prime (97097599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48548789 + 48548790.

It is an arithmetic number, because the mean of its divisors is an integer number (48548790).

Almost surely, 2^97097579 is an apocalyptic number.

97097579 is a deficient number, since it is larger than the sum of its proper divisors (1).

97097579 is an equidigital number, since it uses as much as digits as its factorization.

97097579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1250235, while the sum is 53.

The square root of 97097579 is about 9853.8103797465. The cubic root of 97097579 is about 459.6241084858.

The spelling of 97097579 in words is "ninety-seven million, ninety-seven thousand, five hundred seventy-nine".