485879239 has 2 divisors, whose sum is σ = 485879240. Its totient is φ = 485879238.

The previous prime is 485879197. The next prime is 485879257. The reversal of 485879239 is 932978584.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 485879239 - 2¹¹ = 485877191 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 485879239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485873239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242939619 + 242939620.

It is an arithmetic number, because the mean of its divisors is an integer number (242939620).

Almost surely, 2^485879239 is an apocalyptic number.

485879239 is a deficient number, since it is larger than the sum of its proper divisors (1).

485879239 is an equidigital number, since it uses as much as digits as its factorization.

485879239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 55.

The square root of 485879239 is about 22042.6685997862. The cubic root of 485879239 is about 786.1572928371.

The spelling of 485879239 in words is "four hundred eighty-five million, eight hundred seventy-nine thousand, two hundred thirty-nine".