97616279 has 2 divisors, whose sum is σ = 97616280. Its totient is φ = 97616278.

The previous prime is 97616273. The next prime is 97616341. The reversal of 97616279 is 97261679.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97616279 - 2⁴ = 97616263 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97616273) 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, 48808139 + 48808140.

It is an arithmetic number, because the mean of its divisors is an integer number (48808140).

Almost surely, 2^97616279 is an apocalyptic number.

97616279 is a deficient number, since it is larger than the sum of its proper divisors (1).

97616279 is an equidigital number, since it uses as much as digits as its factorization.

97616279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 47.

The square root of 97616279 is about 9880.0950906355. The cubic root of 97616279 is about 460.4411002023.

The spelling of 97616279 in words is "ninety-seven million, six hundred sixteen thousand, two hundred seventy-nine".