99696563 has 2 divisors, whose sum is σ = 99696564. Its totient is φ = 99696562.

The previous prime is 99696557. The next prime is 99696581. The reversal of 99696563 is 36569699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99696563 - 2¹⁰ = 99695539 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99696593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49848281 + 49848282.

It is an arithmetic number, because the mean of its divisors is an integer number (49848282).

Almost surely, 2^99696563 is an apocalyptic number.

99696563 is a deficient number, since it is larger than the sum of its proper divisors (1).

99696563 is an equidigital number, since it uses as much as digits as its factorization.

99696563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2361960, while the sum is 53.

The square root of 99696563 is about 9984.8166232535. The cubic root of 99696563 is about 463.6889311070.

The spelling of 99696563 in words is "ninety-nine million, six hundred ninety-six thousand, five hundred sixty-three".