90963599 has 2 divisors, whose sum is σ = 90963600. Its totient is φ = 90963598.

The previous prime is 90963581. The next prime is 90963611. The reversal of 90963599 is 99536909.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90963599 - 2²⁴ = 74186383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90963569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45481799 + 45481800.

It is an arithmetic number, because the mean of its divisors is an integer number (45481800).

Almost surely, 2^90963599 is an apocalyptic number.

90963599 is a deficient number, since it is larger than the sum of its proper divisors (1).

90963599 is an equidigital number, since it uses as much as digits as its factorization.

90963599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 590490, while the sum is 50.

The square root of 90963599 is about 9537.4838925159. The cubic root of 90963599 is about 449.7341623288.

The spelling of 90963599 in words is "ninety million, nine hundred sixty-three thousand, five hundred ninety-nine".