854425397860 has 12 divisors (see below), whose sum is σ = 1794293335548. Its totient is φ = 341770159136.

The previous prime is 854425397849. The next prime is 854425397927. The reversal of 854425397860 is 68793524458.

It can be written as a sum of positive squares in 2 ways, for example, as 654299796544 + 200125601316 = 808888^2 + 447354^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21360634927 + ... + 21360634966.

It is an arithmetic number, because the mean of its divisors is an integer number (149524444629).

Almost surely, 2^854425397860 is an apocalyptic number.

It is an amenable number.

854425397860 is an abundant number, since it is smaller than the sum of its proper divisors (939867937688).

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

854425397860 is a wasteful number, since it uses less digits than its factorization.

854425397860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42721269902 (or 42721269900 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 61.

The spelling of 854425397860 in words is "eight hundred fifty-four billion, four hundred twenty-five million, three hundred ninety-seven thousand, eight hundred sixty".