2855079864 has 192 divisors, whose sum is σ = 9712248000. Its totient is φ = 752903424.

The previous prime is 2855079853. The next prime is 2855079883. The reversal of 2855079864 is 4689705582.

2855079864 is a `hidden beast` number, since 2 + 8 + 550 + 7 + 9 + 86 + 4 = 666.

2855079864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2855079864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 316602 + ... + 325494.

It is an arithmetic number, because the mean of its divisors is an integer number (50584625).

Almost surely, 2^2855079864 is an apocalyptic number.

2855079864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2855079864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4856124000).

2855079864 is an abundant number, since it is smaller than the sum of its proper divisors (6857168136).

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

2855079864 is a wasteful number, since it uses less digits than its factorization.

2855079864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8939 (or 8918 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The square root of 2855079864 is about 53432.9473639626. The cubic root of 2855079864 is about 1418.6418052161.

The spelling of 2855079864 in words is "two billion, eight hundred fifty-five million, seventy-nine thousand, eight hundred sixty-four".