90768299 has 2 divisors, whose sum is σ = 90768300. Its totient is φ = 90768298.

The previous prime is 90768259. The next prime is 90768311. The reversal of 90768299 is 99286709.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90768299 - 2¹⁶ = 90702763 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (90768229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45384149 + 45384150.

It is an arithmetic number, because the mean of its divisors is an integer number (45384150).

Almost surely, 2^90768299 is an apocalyptic number.

90768299 is a deficient number, since it is larger than the sum of its proper divisors (1).

90768299 is an equidigital number, since it uses as much as digits as its factorization.

90768299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 90768299 is about 9527.2398416330. The cubic root of 90768299 is about 449.4120700577.

The spelling of 90768299 in words is "ninety million, seven hundred sixty-eight thousand, two hundred ninety-nine".