854457457 has 4 divisors (see below), whose sum is σ = 976522816. Its totient is φ = 732392100.

The previous prime is 854457449. The next prime is 854457469. The reversal of 854457457 is 754754458.

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 854457457 - 2³ = 854457449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 854457457.

It is not an unprimeable number, because it can be changed into a prime (854457427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61032669 + ... + 61032682.

It is an arithmetic number, because the mean of its divisors is an integer number (244130704).

Almost surely, 2^854457457 is an apocalyptic number.

It is an amenable number.

854457457 is a deficient number, since it is larger than the sum of its proper divisors (122065359).

854457457 is a wasteful number, since it uses less digits than its factorization.

854457457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122065358.

The product of its digits is 3136000, while the sum is 49.

The square root of 854457457 is about 29231.1042726750. The cubic root of 854457457 is about 948.9211971861.

The spelling of 854457457 in words is "eight hundred fifty-four million, four hundred fifty-seven thousand, four hundred fifty-seven".