854343457 has 4 divisors (see below), whose sum is σ = 932011056. Its totient is φ = 776675860.

The previous prime is 854343439. The next prime is 854343461. The reversal of 854343457 is 754343458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 854343457 - 2²³ = 845954849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854343467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38833783 + ... + 38833804.

It is an arithmetic number, because the mean of its divisors is an integer number (233002764).

Almost surely, 2^854343457 is an apocalyptic number.

It is an amenable number.

854343457 is a deficient number, since it is larger than the sum of its proper divisors (77667599).

854343457 is a wasteful number, since it uses less digits than its factorization.

854343457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77667598.

The product of its digits is 806400, while the sum is 43.

The square root of 854343457 is about 29229.1542299807. The cubic root of 854343457 is about 948.8789942549.

Subtracting from 854343457 its reverse (754343458), we obtain a palindrome (99999999).

The spelling of 854343457 in words is "eight hundred fifty-four million, three hundred forty-three thousand, four hundred fifty-seven".