90099918967 has 2 divisors, whose sum is σ = 90099918968. Its totient is φ = 90099918966.

The previous prime is 90099918947. The next prime is 90099918977. The reversal of 90099918967 is 76981999009.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90099918967 - 2²⁷ = 89965701239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90099918947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45049959483 + 45049959484.

It is an arithmetic number, because the mean of its divisors is an integer number (45049959484).

Almost surely, 2^90099918967 is an apocalyptic number.

90099918967 is a deficient number, since it is larger than the sum of its proper divisors (1).

90099918967 is an equidigital number, since it uses as much as digits as its factorization.

90099918967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19840464, while the sum is 67.

The spelling of 90099918967 in words is "ninety billion, ninety-nine million, nine hundred eighteen thousand, nine hundred sixty-seven".