2776628372 has 24 divisors (see below), whose sum is σ = 5554570560. Its totient is φ = 1189702080.

The previous prime is 2776628369. The next prime is 2776628383. The reversal of 2776628372 is 2738266772.

It is a self number, because there is not a number n which added to its sum of digits gives 2776628372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145904 + ... + 163832.

It is an arithmetic number, because the mean of its divisors is an integer number (231440440).

Almost surely, 2^2776628372 is an apocalyptic number.

It is an amenable number.

2776628372 is an abundant number, since it is smaller than the sum of its proper divisors (2777942188).

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

2776628372 is a wasteful number, since it uses less digits than its factorization.

2776628372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23471 (or 23469 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 50.

The square root of 2776628372 is about 52693.7223205953. The cubic root of 2776628372 is about 1405.5271928115.

The spelling of 2776628372 in words is "two billion, seven hundred seventy-six million, six hundred twenty-eight thousand, three hundred seventy-two".