2772854881 has 4 divisors (see below), whose sum is σ = 2794688512. Its totient is φ = 2751021252.

The previous prime is 2772854873. The next prime is 2772854933. The reversal of 2772854881 is 1884582772.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2772854881 - 2³ = 2772854873 is a prime.

It is a super-2 number, since 2×2772854881² = 15377448382171048322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2772851881) 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 3 ways as a sum of consecutive naturals, for example, 10916625 + ... + 10916878.

It is an arithmetic number, because the mean of its divisors is an integer number (698672128).

Almost surely, 2^2772854881 is an apocalyptic number.

It is an amenable number.

2772854881 is a deficient number, since it is larger than the sum of its proper divisors (21833631).

2772854881 is a wasteful number, since it uses less digits than its factorization.

2772854881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21833630.

The product of its digits is 2007040, while the sum is 52.

The square root of 2772854881 is about 52657.9042594747. The cubic root of 2772854881 is about 1404.8901913902.

The spelling of 2772854881 in words is "two billion, seven hundred seventy-two million, eight hundred fifty-four thousand, eight hundred eighty-one".