97266857 has 2 divisors, whose sum is σ = 97266858. Its totient is φ = 97266856.

The previous prime is 97266803. The next prime is 97266863. The reversal of 97266857 is 75866279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87909376 + 9357481 = 9376^2 + 3059^2 .

It is a cyclic number.

It is not a de Polignac number, because 97266857 - 2⁸ = 97266601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97266457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48633428 + 48633429.

It is an arithmetic number, because the mean of its divisors is an integer number (48633429).

Almost surely, 2^97266857 is an apocalyptic number.

It is an amenable number.

97266857 is a deficient number, since it is larger than the sum of its proper divisors (1).

97266857 is an equidigital number, since it uses as much as digits as its factorization.

97266857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 50.

The square root of 97266857 is about 9862.3961084515. The cubic root of 97266857 is about 459.8910532790.

The spelling of 97266857 in words is "ninety-seven million, two hundred sixty-six thousand, eight hundred fifty-seven".