99696277 has 2 divisors, whose sum is σ = 99696278. Its totient is φ = 99696276.

The previous prime is 99696251. The next prime is 99696281. The reversal of 99696277 is 77269699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80982001 + 18714276 = 8999^2 + 4326^2 .

It is a cyclic number.

It is not a de Polignac number, because 99696277 - 2²³ = 91307669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99696227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49848138 + 49848139.

It is an arithmetic number, because the mean of its divisors is an integer number (49848139).

Almost surely, 2^99696277 is an apocalyptic number.

It is an amenable number.

99696277 is a deficient number, since it is larger than the sum of its proper divisors (1).

99696277 is an equidigital number, since it uses as much as digits as its factorization.

99696277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2571912, while the sum is 55.

The square root of 99696277 is about 9984.8023014980. The cubic root of 99696277 is about 463.6884877110.

The spelling of 99696277 in words is "ninety-nine million, six hundred ninety-six thousand, two hundred seventy-seven".