2855277828 has 72 divisors (see below), whose sum is σ = 7829611608. Its totient is φ = 872114688.

The previous prime is 2855277793. The next prime is 2855277889. The reversal of 2855277828 is 8287725582.

2855277828 is a `hidden beast` number, since 2 + 8 + 552 + 7 + 7 + 82 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 219276864 + 2636000964 = 14808^2 + 51342^2 .

It is a super-2 number, since 2×2855277828² = 16305222950136795168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41850 + ... + 86382.

Almost surely, 2^2855277828 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 2855277828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3914805804).

2855277828 is an abundant number, since it is smaller than the sum of its proper divisors (4974333780).

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

2855277828 is a wasteful number, since it uses less digits than its factorization.

2855277828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44693 (or 44688 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 54.

The square root of 2855277828 is about 53434.7997844102. The cubic root of 2855277828 is about 1418.6745928004.

The spelling of 2855277828 in words is "two billion, eight hundred fifty-five million, two hundred seventy-seven thousand, eight hundred twenty-eight".