2771113992 has 32 divisors (see below), whose sum is σ = 6945259200. Its totient is φ = 921374784.

The previous prime is 2771113981. The next prime is 2771113997. The reversal of 2771113992 is 2993111772.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2771113997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135892 + ... + 154947.

It is an arithmetic number, because the mean of its divisors is an integer number (217039350).

Almost surely, 2^2771113992 is an apocalyptic number.

It is an amenable number.

2771113992 is an abundant number, since it is smaller than the sum of its proper divisors (4174145208).

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

2771113992 is a wasteful number, since it uses less digits than its factorization.

2771113992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291245 (or 291241 counting only the distinct ones).

The product of its digits is 47628, while the sum is 42.

The square root of 2771113992 is about 52641.3714866929. The cubic root of 2771113992 is about 1404.5961178323.

The spelling of 2771113992 in words is "two billion, seven hundred seventy-one million, one hundred thirteen thousand, nine hundred ninety-two".