2772312655 has 32 divisors (see below), whose sum is σ = 4040876160. Its totient is φ = 1782435840.

The previous prime is 2772312643. The next prime is 2772312691. The reversal of 2772312655 is 5562132772.

2772312655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2772312655 - 2⁹ = 2772312143 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151395 + ... + 168715.

It is an arithmetic number, because the mean of its divisors is an integer number (126277380).

Almost surely, 2^2772312655 is an apocalyptic number.

2772312655 is a deficient number, since it is larger than the sum of its proper divisors (1268563505).

2772312655 is a wasteful number, since it uses less digits than its factorization.

2772312655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17619.

The product of its digits is 176400, while the sum is 40.

The square root of 2772312655 is about 52652.7554359694. The cubic root of 2772312655 is about 1404.7986109697.

The spelling of 2772312655 in words is "two billion, seven hundred seventy-two million, three hundred twelve thousand, six hundred fifty-five".