855465833 has 2 divisors, whose sum is σ = 855465834. Its totient is φ = 855465832.

The previous prime is 855465829. The next prime is 855465851. The reversal of 855465833 is 338564558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 847217449 + 8248384 = 29107^2 + 2872^2 .

It is a cyclic number.

It is not a de Polignac number, because 855465833 - 2² = 855465829 is a prime.

It is not a weakly prime, because it can be changed into another prime (855465893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427732916 + 427732917.

It is an arithmetic number, because the mean of its divisors is an integer number (427732917).

Almost surely, 2^855465833 is an apocalyptic number.

It is an amenable number.

855465833 is a deficient number, since it is larger than the sum of its proper divisors (1).

855465833 is an equidigital number, since it uses as much as digits as its factorization.

855465833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728000, while the sum is 47.

The square root of 855465833 is about 29248.3475259714. The cubic root of 855465833 is about 949.2943357931.

The spelling of 855465833 in words is "eight hundred fifty-five million, four hundred sixty-five thousand, eight hundred thirty-three".