99697583 has 2 divisors, whose sum is σ = 99697584. Its totient is φ = 99697582.

The previous prime is 99697567. The next prime is 99697687. The reversal of 99697583 is 38579699.

It is a weak prime.

It is an emirp because it is prime and its reverse (38579699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99697583 - 2⁴ = 99697567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99697513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49848791 + 49848792.

It is an arithmetic number, because the mean of its divisors is an integer number (49848792).

Almost surely, 2^99697583 is an apocalyptic number.

99697583 is a deficient number, since it is larger than the sum of its proper divisors (1).

99697583 is an equidigital number, since it uses as much as digits as its factorization.

99697583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 56.

The square root of 99697583 is about 9984.8677006759. The cubic root of 99697583 is about 463.6905124423.

The spelling of 99697583 in words is "ninety-nine million, six hundred ninety-seven thousand, five hundred eighty-three".