2782237830 has 48 divisors (see below), whose sum is σ = 7047335664. Its totient is φ = 702878400.

The previous prime is 2782237823. The next prime is 2782237883. The reversal of 2782237830 is 387322872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117621 + ... + 139280.

It is an arithmetic number, because the mean of its divisors is an integer number (146819493).

Almost surely, 2^2782237830 is an apocalyptic number.

2782237830 is an abundant number, since it is smaller than the sum of its proper divisors (4265097834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2782237830 is a wasteful number, since it uses less digits than its factorization.

2782237830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256949 (or 256930 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 2782237830 is about 52746.9224694674. The cubic root of 2782237830 is about 1406.4730572788.

The spelling of 2782237830 in words is "two billion, seven hundred eighty-two million, two hundred thirty-seven thousand, eight hundred thirty".