85490299 has 2 divisors, whose sum is σ = 85490300. Its totient is φ = 85490298.

The previous prime is 85490269. The next prime is 85490359. The reversal of 85490299 is 99209458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85490299 - 2⁵ = 85490267 is a prime.

It is not a weakly prime, because it can be changed into another prime (85490269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42745149 + 42745150.

It is an arithmetic number, because the mean of its divisors is an integer number (42745150).

Almost surely, 2^85490299 is an apocalyptic number.

85490299 is a deficient number, since it is larger than the sum of its proper divisors (1).

85490299 is an equidigital number, since it uses as much as digits as its factorization.

85490299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 85490299 is about 9246.0964195708. The cubic root of 85490299 is about 440.5267434717.

The spelling of 85490299 in words is "eighty-five million, four hundred ninety thousand, two hundred ninety-nine".