2782273388 has 6 divisors (see below), whose sum is σ = 4868978436. Its totient is φ = 1391136692.

The previous prime is 2782273357. The next prime is 2782273399. The reversal of 2782273388 is 8833722872.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347784170 + ... + 347784177.

It is an arithmetic number, because the mean of its divisors is an integer number (811496406).

Almost surely, 2^2782273388 is an apocalyptic number.

It is an amenable number.

2782273388 is a deficient number, since it is larger than the sum of its proper divisors (2086705048).

2782273388 is a wasteful number, since it uses less digits than its factorization.

2782273388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695568351 (or 695568349 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The square root of 2782273388 is about 52747.2595307093. The cubic root of 2782273388 is about 1406.4790489971.

The spelling of 2782273388 in words is "two billion, seven hundred eighty-two million, two hundred seventy-three thousand, three hundred eighty-eight".