90935659 has 2 divisors, whose sum is σ = 90935660. Its totient is φ = 90935658.

The previous prime is 90935639. The next prime is 90935681. The reversal of 90935659 is 95653909.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90935659 - 2¹³ = 90927467 is a prime.

It is not a weakly prime, because it can be changed into another prime (90935639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45467829 + 45467830.

It is an arithmetic number, because the mean of its divisors is an integer number (45467830).

Almost surely, 2^90935659 is an apocalyptic number.

90935659 is a deficient number, since it is larger than the sum of its proper divisors (1).

90935659 is an equidigital number, since it uses as much as digits as its factorization.

90935659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 328050, while the sum is 46.

The square root of 90935659 is about 9536.0190331186. The cubic root of 90935659 is about 449.6881114565.

The spelling of 90935659 in words is "ninety million, nine hundred thirty-five thousand, six hundred fifty-nine".