97227857 has 2 divisors, whose sum is σ = 97227858. Its totient is φ = 97227856.

The previous prime is 97227817. The next prime is 97227863. The reversal of 97227857 is 75872279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94458961 + 2768896 = 9719^2 + 1664^2 .

It is a cyclic number.

It is not a de Polignac number, because 97227857 - 2¹² = 97223761 is a prime.

It is not a weakly prime, because it can be changed into another prime (97227817) 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, 48613928 + 48613929.

It is an arithmetic number, because the mean of its divisors is an integer number (48613929).

Almost surely, 2^97227857 is an apocalyptic number.

It is an amenable number.

97227857 is a deficient number, since it is larger than the sum of its proper divisors (1).

97227857 is an equidigital number, since it uses as much as digits as its factorization.

97227857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 47.

The square root of 97227857 is about 9860.4187030775. The cubic root of 97227857 is about 459.8295792774.

The spelling of 97227857 in words is "ninety-seven million, two hundred twenty-seven thousand, eight hundred fifty-seven".