2772334891 has 4 divisors (see below), whose sum is σ = 2935413432. Its totient is φ = 2609256352.

The previous prime is 2772334871. The next prime is 2772334933. The reversal of 2772334891 is 1984332772.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2772334891 - 2¹³ = 2772326699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2772334871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81539245 + ... + 81539278.

It is an arithmetic number, because the mean of its divisors is an integer number (733853358).

Almost surely, 2^2772334891 is an apocalyptic number.

2772334891 is a deficient number, since it is larger than the sum of its proper divisors (163078541).

2772334891 is a wasteful number, since it uses less digits than its factorization.

2772334891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163078540.

The product of its digits is 508032, while the sum is 46.

The square root of 2772334891 is about 52652.9665925862. The cubic root of 2772334891 is about 1404.8023668013.

The spelling of 2772334891 in words is "two billion, seven hundred seventy-two million, three hundred thirty-four thousand, eight hundred ninety-one".