2774717828 has 12 divisors (see below), whose sum is σ = 4862688012. Its totient is φ = 1385378400.

The previous prime is 2774717819. The next prime is 2774717831. The reversal of 2774717828 is 8287174772.

It can be written as a sum of positive squares in 2 ways, for example, as 2631484804 + 143233024 = 51298^2 + 11968^2 .

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2774717828.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491975 + ... + 497582.

It is an arithmetic number, because the mean of its divisors is an integer number (405224001).

Almost surely, 2^2774717828 is an apocalyptic number.

It is an amenable number.

2774717828 is a deficient number, since it is larger than the sum of its proper divisors (2087970184).

2774717828 is a wasteful number, since it uses less digits than its factorization.

2774717828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990262 (or 990260 counting only the distinct ones).

The product of its digits is 2458624, while the sum is 53.

The square root of 2774717828 is about 52675.5904380767. The cubic root of 2774717828 is about 1405.2047468655.

The spelling of 2774717828 in words is "two billion, seven hundred seventy-four million, seven hundred seventeen thousand, eight hundred twenty-eight".