2782662872 has 16 divisors (see below), whose sum is σ = 5691810600. Its totient is φ = 1264846720.

The previous prime is 2782662863. The next prime is 2782662877.

2782662872 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2782662872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2782662877) 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, 15810497 + ... + 15810672.

Almost surely, 2^2782662872 is an apocalyptic number.

2782662872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2782662872 is an abundant number, since it is smaller than the sum of its proper divisors (2909147728).

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

2782662872 is a wasteful number, since it uses less digits than its factorization.

2782662872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31621186 (or 31621182 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The square root of 2782662872 is about 52750.9513847855. The cubic root of 2782662872 is about 1406.5446758485.

The spelling of 2782662872 in words is "two billion, seven hundred eighty-two million, six hundred sixty-two thousand, eight hundred seventy-two".