97922977 has 2 divisors, whose sum is σ = 97922978. Its totient is φ = 97922976.

The previous prime is 97922971. The next prime is 97923011. The reversal of 97922977 is 77922979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90611361 + 7311616 = 9519^2 + 2704^2 .

It is a cyclic number.

It is not a de Polignac number, because 97922977 - 2¹⁵ = 97890209 is a prime.

It is not a weakly prime, because it can be changed into another prime (97922971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48961488 + 48961489.

It is an arithmetic number, because the mean of its divisors is an integer number (48961489).

Almost surely, 2^97922977 is an apocalyptic number.

It is an amenable number.

97922977 is a deficient number, since it is larger than the sum of its proper divisors (1).

97922977 is an equidigital number, since it uses as much as digits as its factorization.

97922977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1000188, while the sum is 52.

The square root of 97922977 is about 9895.6039229549. The cubic root of 97922977 is about 460.9228119583.

It can be divided in two parts, 9792 and 2977, that added together give a square (12769 = 113²).

The spelling of 97922977 in words is "ninety-seven million, nine hundred twenty-two thousand, nine hundred seventy-seven".