5285707812 has 576 divisors, whose sum is σ = 18845568000. Its totient is φ = 1278607680.

The previous prime is 5285707807. The next prime is 5285707849. The reversal of 5285707812 is 2187075825.

5285707812 is a `hidden beast` number, since 5 + 2 + 8 + 570 + 78 + 1 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 89588239 + ... + 89588297.

It is an arithmetic number, because the mean of its divisors is an integer number (32718000).

Almost surely, 2^5285707812 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 5285707812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9422784000).

5285707812 is an abundant number, since it is smaller than the sum of its proper divisors (13559860188).

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

5285707812 is a wasteful number, since it uses less digits than its factorization.

5285707812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The square root of 5285707812 is about 72702.8734782883. The cubic root of 5285707812 is about 1741.9447815310.

The spelling of 5285707812 in words is "five billion, two hundred eighty-five million, seven hundred seven thousand, eight hundred twelve".