839472859 has 2 divisors, whose sum is σ = 839472860. Its totient is φ = 839472858.

The previous prime is 839472857. The next prime is 839472919. The reversal of 839472859 is 958274938.

839472859 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 839472859 - 2¹ = 839472857 is a prime.

Together with 839472857, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (839472853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419736429 + 419736430.

It is an arithmetic number, because the mean of its divisors is an integer number (419736430).

Almost surely, 2^839472859 is an apocalyptic number.

839472859 is a deficient number, since it is larger than the sum of its proper divisors (1).

839472859 is an equidigital number, since it uses as much as digits as its factorization.

839472859 is an odious number, because the sum of its binary digits is odd.

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

The square root of 839472859 is about 28973.6580189661. The cubic root of 839472859 is about 943.3413825459.

The spelling of 839472859 in words is "eight hundred thirty-nine million, four hundred seventy-two thousand, eight hundred fifty-nine".