97976953 has 2 divisors, whose sum is σ = 97976954. Its totient is φ = 97976952.

The previous prime is 97976917. The next prime is 97976959. The reversal of 97976953 is 35967979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87459904 + 10517049 = 9352^2 + 3243^2 .

It is a cyclic number.

It is not a de Polignac number, because 97976953 - 2⁹ = 97976441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97976894 and 97976903.

It is not a weakly prime, because it can be changed into another prime (97976959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48988476 + 48988477.

It is an arithmetic number, because the mean of its divisors is an integer number (48988477).

Almost surely, 2^97976953 is an apocalyptic number.

It is an amenable number.

97976953 is a deficient number, since it is larger than the sum of its proper divisors (1).

97976953 is an equidigital number, since it uses as much as digits as its factorization.

97976953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3214890, while the sum is 55.

The square root of 97976953 is about 9898.3308188805. The cubic root of 97976953 is about 461.0074846290.

The spelling of 97976953 in words is "ninety-seven million, nine hundred seventy-six thousand, nine hundred fifty-three".