854387135720 has 64 divisors (see below), whose sum is σ = 1924588823040. Its totient is φ = 341360870400.

The previous prime is 854387135683. The next prime is 854387135731. The reversal of 854387135720 is 27531783458.

854387135720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187322240 + ... + 187326800.

It is an arithmetic number, because the mean of its divisors is an integer number (30071700360).

Almost surely, 2^854387135720 is an apocalyptic number.

It is an amenable number.

854387135720 is an abundant number, since it is smaller than the sum of its proper divisors (1070201687320).

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

854387135720 is a wasteful number, since it uses less digits than its factorization.

854387135720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8946 (or 8942 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 854387135720 in words is "eight hundred fifty-four billion, three hundred eighty-seven million, one hundred thirty-five thousand, seven hundred twenty".