856882153 has 2 divisors, whose sum is σ = 856882154. Its totient is φ = 856882152.

The previous prime is 856882139. The next prime is 856882157. The reversal of 856882153 is 351288658.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512705449 + 344176704 = 22643^2 + 18552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-856882153 is a prime.

It is not a weakly prime, because it can be changed into another prime (856882157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428441076 + 428441077.

It is an arithmetic number, because the mean of its divisors is an integer number (428441077).

Almost surely, 2^856882153 is an apocalyptic number.

It is an amenable number.

856882153 is a deficient number, since it is larger than the sum of its proper divisors (1).

856882153 is an equidigital number, since it uses as much as digits as its factorization.

856882153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 460800, while the sum is 46.

The square root of 856882153 is about 29272.5494789914. The cubic root of 856882153 is about 949.8179348236.

The spelling of 856882153 in words is "eight hundred fifty-six million, eight hundred eighty-two thousand, one hundred fifty-three".