2772115908 has 12 divisors (see below), whose sum is σ = 6468270480. Its totient is φ = 924038632.

The previous prime is 2772115901. The next prime is 2772115909. The reversal of 2772115908 is 8095112772.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2772115908.

It is not an unprimeable number, because it can be changed into a prime (2772115901) 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, 115504818 + ... + 115504841.

It is an arithmetic number, because the mean of its divisors is an integer number (539022540).

Almost surely, 2^2772115908 is an apocalyptic number.

It is an amenable number.

2772115908 is an abundant number, since it is smaller than the sum of its proper divisors (3696154572).

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

2772115908 is a wasteful number, since it uses less digits than its factorization.

2772115908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231009666 (or 231009664 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 2772115908 is about 52650.8870580544. The cubic root of 2772115908 is about 1404.7653780116.

The spelling of 2772115908 in words is "two billion, seven hundred seventy-two million, one hundred fifteen thousand, nine hundred eight".