90799319 has 16 divisors (see below), whose sum is σ = 101697120. Its totient is φ = 80492160.

The previous prime is 90799301. The next prime is 90799321. The reversal of 90799319 is 91399709.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 90799319 - 2⁸ = 90799063 is a prime.

It is a super-2 number, since 2×90799319² = 16489032661727522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90799339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85049 + ... + 86109.

It is an arithmetic number, because the mean of its divisors is an integer number (6356070).

Almost surely, 2^90799319 is an apocalyptic number.

90799319 is a deficient number, since it is larger than the sum of its proper divisors (10897801).

90799319 is a wasteful number, since it uses less digits than its factorization.

90799319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330.

The product of its (nonzero) digits is 137781, while the sum is 47.

The square root of 90799319 is about 9528.8676662025. The cubic root of 90799319 is about 449.4632596425.

The spelling of 90799319 in words is "ninety million, seven hundred ninety-nine thousand, three hundred nineteen".