854578545264 has 160 divisors (see below), whose sum is σ = 2603607912000. Its totient is φ = 267446624256.

The previous prime is 854578545187. The next prime is 854578545277. The reversal of 854578545264 is 462545875458.

It is a happy number.

854578545264 is a `hidden beast` number, since 8 + 5 + 4 + 57 + 8 + 54 + 526 + 4 = 666.

854578545264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2861442 + ... + 3145950.

It is an arithmetic number, because the mean of its divisors is an integer number (16272549450).

Almost surely, 2^854578545264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 854578545264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301803956000).

854578545264 is an abundant number, since it is smaller than the sum of its proper divisors (1749029366736).

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

854578545264 is a wasteful number, since it uses less digits than its factorization.

854578545264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284952 (or 284940 counting only the distinct ones).

The product of its digits is 215040000, while the sum is 63.

The spelling of 854578545264 in words is "eight hundred fifty-four billion, five hundred seventy-eight million, five hundred forty-five thousand, two hundred sixty-four".