2772855712 has 48 divisors (see below), whose sum is σ = 6214283712. Its totient is φ = 1205585920.

The previous prime is 2772855691. The next prime is 2772855719. The reversal of 2772855712 is 2175582772.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (2772855719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163153 + ... + 179344.

It is an arithmetic number, because the mean of its divisors is an integer number (129464244).

Almost surely, 2^2772855712 is an apocalyptic number.

2772855712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2772855712 is an abundant number, since it is smaller than the sum of its proper divisors (3441428000).

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

2772855712 is a wasteful number, since it uses less digits than its factorization.

2772855712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342541 (or 342533 counting only the distinct ones).

The product of its digits is 548800, while the sum is 46.

The square root of 2772855712 is about 52657.9121500274. The cubic root of 2772855712 is about 1404.8903317346.

The spelling of 2772855712 in words is "two billion, seven hundred seventy-two million, eight hundred fifty-five thousand, seven hundred twelve".