2780783132 has 24 divisors (see below), whose sum is σ = 4901873760. Its totient is φ = 1380270080.

The previous prime is 2780783129. The next prime is 2780783189. The reversal of 2780783132 is 2313870872.

It is a self number, because there is not a number n which added to its sum of digits gives 2780783132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618332 + ... + 622812.

It is an arithmetic number, because the mean of its divisors is an integer number (204244740).

Almost surely, 2^2780783132 is an apocalyptic number.

It is an amenable number.

2780783132 is a deficient number, since it is larger than the sum of its proper divisors (2121090628).

2780783132 is a wasteful number, since it uses less digits than its factorization.

2780783132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581 (or 5579 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 2780783132 is about 52733.1312554072. The cubic root of 2780783132 is about 1406.2278888981.

The spelling of 2780783132 in words is "two billion, seven hundred eighty million, seven hundred eighty-three thousand, one hundred thirty-two".