854897339 has 2 divisors, whose sum is σ = 854897340. Its totient is φ = 854897338.

The previous prime is 854897317. The next prime is 854897341. The reversal of 854897339 is 933798458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 854897339 - 2⁸ = 854897083 is a prime.

Together with 854897341, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (854897359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427448669 + 427448670.

It is an arithmetic number, because the mean of its divisors is an integer number (427448670).

Almost surely, 2^854897339 is an apocalyptic number.

854897339 is a deficient number, since it is larger than the sum of its proper divisors (1).

854897339 is an equidigital number, since it uses as much as digits as its factorization.

854897339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 56.

The square root of 854897339 is about 29238.6275156684. The cubic root of 854897339 is about 949.0840068309.

The spelling of 854897339 in words is "eight hundred fifty-four million, eight hundred ninety-seven thousand, three hundred thirty-nine".