2771285804 has 48 divisors (see below), whose sum is σ = 5885587008. Its totient is φ = 1114595328.

The previous prime is 2771285771. The next prime is 2771285819. The reversal of 2771285804 is 4085821772.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159782 + ... + 176274.

It is an arithmetic number, because the mean of its divisors is an integer number (122616396).

Almost surely, 2^2771285804 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 2771285804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2942793504).

2771285804 is an abundant number, since it is smaller than the sum of its proper divisors (3114301204).

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

2771285804 is a wasteful number, since it uses less digits than its factorization.

2771285804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16874 (or 16872 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 44.

The square root of 2771285804 is about 52643.0033717682. The cubic root of 2771285804 is about 1404.6251460476.

The spelling of 2771285804 in words is "two billion, seven hundred seventy-one million, two hundred eighty-five thousand, eight hundred four".