99696617 has 2 divisors, whose sum is σ = 99696618. Its totient is φ = 99696616.

The previous prime is 99696601. The next prime is 99696637. The reversal of 99696617 is 71669699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56911936 + 42784681 = 7544^2 + 6541^2 .

It is a cyclic number.

It is not a de Polignac number, because 99696617 - 2⁴ = 99696601 is a prime.

It is not a weakly prime, because it can be changed into another prime (99696637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49848308 + 49848309.

It is an arithmetic number, because the mean of its divisors is an integer number (49848309).

Almost surely, 2^99696617 is an apocalyptic number.

It is an amenable number.

99696617 is a deficient number, since it is larger than the sum of its proper divisors (1).

99696617 is an equidigital number, since it uses as much as digits as its factorization.

99696617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1102248, while the sum is 53.

The square root of 99696617 is about 9984.8193273589. The cubic root of 99696617 is about 463.6890148250.

The spelling of 99696617 in words is "ninety-nine million, six hundred ninety-six thousand, six hundred seventeen".