854713317457 has 8 divisors (see below), whose sum is σ = 868582401480. Its totient is φ = 840902630400.

The previous prime is 854713317449. The next prime is 854713317461. The reversal of 854713317457 is 754713317458.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 279427474881 + 575285842576 = 528609^2 + 758476^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 854713317457 - 2³ = 854713317449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 854713317398 and 854713317407.

It is not an unprimeable number, because it can be changed into a prime (854713317467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14569732 + ... + 14628277.

It is an arithmetic number, because the mean of its divisors is an integer number (108572800185).

Almost surely, 2^854713317457 is an apocalyptic number.

It is an amenable number.

854713317457 is a deficient number, since it is larger than the sum of its proper divisors (13869084023).

854713317457 is a wasteful number, since it uses less digits than its factorization.

854713317457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29198483.

The product of its digits is 9878400, while the sum is 55.

Subtracting from 854713317457 its reverse (754713317458), we obtain a palindrome (99999999999).

The spelling of 854713317457 in words is "eight hundred fifty-four billion, seven hundred thirteen million, three hundred seventeen thousand, four hundred fifty-seven".