97252777 has 2 divisors, whose sum is σ = 97252778. Its totient is φ = 97252776.

The previous prime is 97252769. The next prime is 97252781. The reversal of 97252777 is 77725279.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97239321 + 13456 = 9861^2 + 116^2 .

It is an emirp because it is prime and its reverse (77725279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97252777 - 2³ = 97252769 is a prime.

It is not a weakly prime, because it can be changed into another prime (97252277) 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, 48626388 + 48626389.

It is an arithmetic number, because the mean of its divisors is an integer number (48626389).

Almost surely, 2^97252777 is an apocalyptic number.

It is an amenable number.

97252777 is a deficient number, since it is larger than the sum of its proper divisors (1).

97252777 is an equidigital number, since it uses as much as digits as its factorization.

97252777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432180, while the sum is 46.

The square root of 97252777 is about 9861.6822601420. The cubic root of 97252777 is about 459.8688614839.

The spelling of 97252777 in words is "ninety-seven million, two hundred fifty-two thousand, seven hundred seventy-seven".