854885520 has 60 divisors (see below), whose sum is σ = 2870992956. Its totient is φ = 227969280.

The previous prime is 854885503. The next prime is 854885527. The reversal of 854885520 is 25588458.

854885520 is a `hidden beast` number, since 8 + 5 + 48 + 85 + 520 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 85821696 + 769063824 = 9264^2 + 27732^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (854885527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 592951 + ... + 594390.

Almost surely, 2^854885520 is an apocalyptic number.

854885520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

854885520 is an abundant number, since it is smaller than the sum of its proper divisors (2016107436).

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

854885520 is a wasteful number, since it uses less digits than its factorization.

854885520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187360 (or 1187351 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 45.

The square root of 854885520 is about 29238.4254021998. The cubic root of 854885520 is about 949.0796330989.

The spelling of 854885520 in words is "eight hundred fifty-four million, eight hundred eighty-five thousand, five hundred twenty".