854725731864 has 32 divisors (see below), whose sum is σ = 2156784563520. Its totient is φ = 282245879456.

The previous prime is 854725731863. The next prime is 854725731869. The reversal of 854725731864 is 468137527458.

It is a junction number, because it is equal to n+sod(n) for n = 854725731798 and 854725731807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854725731863) 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, 166415994 + ... + 166421129.

It is an arithmetic number, because the mean of its divisors is an integer number (67399517610).

Almost surely, 2^854725731864 is an apocalyptic number.

It is an amenable number.

854725731864 is an abundant number, since it is smaller than the sum of its proper divisors (1302058831656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

854725731864 is a wasteful number, since it uses less digits than its factorization.

854725731864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332837239 (or 332837235 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 60.

The spelling of 854725731864 in words is "eight hundred fifty-four billion, seven hundred twenty-five million, seven hundred thirty-one thousand, eight hundred sixty-four".