900285979 has 2 divisors, whose sum is σ = 900285980. Its totient is φ = 900285978.

The previous prime is 900285959. The next prime is 900286019. The reversal of 900285979 is 979582009.

900285979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 900285979 - 2⁷ = 900285851 is a prime.

It is not a weakly prime, because it can be changed into another prime (900285959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450142989 + 450142990.

It is an arithmetic number, because the mean of its divisors is an integer number (450142990).

Almost surely, 2^900285979 is an apocalyptic number.

900285979 is a deficient number, since it is larger than the sum of its proper divisors (1).

900285979 is an equidigital number, since it uses as much as digits as its factorization.

900285979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 900285979 is about 30004.7659380972. The cubic root of 900285979 is about 965.5916366237.

The spelling of 900285979 in words is "nine hundred million, two hundred eighty-five thousand, nine hundred seventy-nine".