2782813276 has 12 divisors (see below), whose sum is σ = 4872291480. Its totient is φ = 1390730000.

The previous prime is 2782813247. The next prime is 2782813289. The reversal of 2782813276 is 6723182872.

It is a congruent number.

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, 159850 + ... + 176401.

It is an arithmetic number, because the mean of its divisors is an integer number (406024290).

Almost surely, 2^2782813276 is an apocalyptic number.

It is an amenable number.

2782813276 is a deficient number, since it is larger than the sum of its proper divisors (2089478204).

2782813276 is a wasteful number, since it uses less digits than its factorization.

2782813276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338324 (or 338322 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 2782813276 is about 52752.3769701423. The cubic root of 2782813276 is about 1406.5700168191.

The spelling of 2782813276 in words is "two billion, seven hundred eighty-two million, eight hundred thirteen thousand, two hundred seventy-six".