857354159 has 2 divisors, whose sum is σ = 857354160. Its totient is φ = 857354158.

The previous prime is 857354153. The next prime is 857354161. The reversal of 857354159 is 951453758.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 857354159 - 2⁴ = 857354143 is a prime.

It is a Sophie Germain prime.

Together with 857354161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (857354153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428677079 + 428677080.

It is an arithmetic number, because the mean of its divisors is an integer number (428677080).

Almost surely, 2^857354159 is an apocalyptic number.

857354159 is a deficient number, since it is larger than the sum of its proper divisors (1).

857354159 is an equidigital number, since it uses as much as digits as its factorization.

857354159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 47.

The square root of 857354159 is about 29280.6106322939. The cubic root of 857354159 is about 949.9923024307.

The spelling of 857354159 in words is "eight hundred fifty-seven million, three hundred fifty-four thousand, one hundred fifty-nine".