2780563922 has 8 divisors (see below), whose sum is σ = 4177157772. Its totient is φ = 1388178000.

The previous prime is 2780563921. The next prime is 2780563927. The reversal of 2780563922 is 2293650872.

It can be written as a sum of positive squares in 2 ways, for example, as 2629740961 + 150822961 = 51281^2 + 12281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2780563921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050329 + ... + 1052972.

Almost surely, 2^2780563922 is an apocalyptic number.

2780563922 is a deficient number, since it is larger than the sum of its proper divisors (1396593850).

2780563922 is a wasteful number, since it uses less digits than its factorization.

2780563922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103964.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 2780563922 is about 52731.0527298669. The cubic root of 2780563922 is about 1406.1909367997.

The spelling of 2780563922 in words is "two billion, seven hundred eighty million, five hundred sixty-three thousand, nine hundred twenty-two".