2782442872 has 16 divisors (see below), whose sum is σ = 5691360600. Its totient is φ = 1264746720.

The previous prime is 2782442857. The next prime is 2782442881.

2782442872 is nontrivially palindromic in base 10.

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 3 ways as a sum of consecutive naturals, for example, 15809247 + ... + 15809422.

Almost surely, 2^2782442872 is an apocalyptic number.

2782442872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2782442872 is an abundant number, since it is smaller than the sum of its proper divisors (2908917728).

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

2782442872 is a wasteful number, since it uses less digits than its factorization.

2782442872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31618686 (or 31618682 counting only the distinct ones).

The product of its digits is 802816, while the sum is 46.

The square root of 2782442872 is about 52748.8660731205. The cubic root of 2782442872 is about 1406.5076072805.

The spelling of 2782442872 in words is "two billion, seven hundred eighty-two million, four hundred forty-two thousand, eight hundred seventy-two".