2772864964 has 27 divisors (see below), whose sum is σ = 4916938663. Its totient is φ = 1368265472.

The previous prime is 2772864961. The next prime is 2772864977. The reversal of 2772864964 is 4694682772.

The square root of 2772864964 is 52658.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1887207364 + 885657600 = 43442^2 + 29760^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2772864961) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11900592 + ... + 11900824.

Almost surely, 2^2772864964 is an apocalyptic number.

2772864964 is the 52658-th square number.

It is an amenable number.

2772864964 is a deficient number, since it is larger than the sum of its proper divisors (2144073699).

2772864964 is an equidigital number, since it uses as much as digits as its factorization.

2772864964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 348 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 55.

The cubic root of 2772864964 is about 1404.8918942670.

The spelling of 2772864964 in words is "two billion, seven hundred seventy-two million, eight hundred sixty-four thousand, nine hundred sixty-four".