97656277 has 2 divisors, whose sum is σ = 97656278. Its totient is φ = 97656276.

The previous prime is 97656233. The next prime is 97656289. The reversal of 97656277 is 77265679.

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., 93818596 + 3837681 = 9686^2 + 1959^2 .

It is a cyclic number.

It is not a de Polignac number, because 97656277 - 2⁷ = 97656149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97656277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97656227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48828138 + 48828139.

It is an arithmetic number, because the mean of its divisors is an integer number (48828139).

Almost surely, 2^97656277 is an apocalyptic number.

It is an amenable number.

97656277 is a deficient number, since it is larger than the sum of its proper divisors (1).

97656277 is an equidigital number, since it uses as much as digits as its factorization.

97656277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 49.

The square root of 97656277 is about 9882.1190541300. The cubic root of 97656277 is about 460.5039797701.

The spelling of 97656277 in words is "ninety-seven million, six hundred fifty-six thousand, two hundred seventy-seven".