2782680012 has 108 divisors (see below), whose sum is σ = 8321400360. Its totient is φ = 781546752.

The previous prime is 2782679981. The next prime is 2782680023. The reversal of 2782680012 is 2100862872.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 35 ways as a sum of consecutive naturals, for example, 90708 + ... + 117444.

Almost surely, 2^2782680012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2782680012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4160700180).

2782680012 is an abundant number, since it is smaller than the sum of its proper divisors (5538720348).

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

2782680012 is a wasteful number, since it uses less digits than its factorization.

2782680012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26820 (or 26808 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 2782680012 is about 52751.1138460602. The cubic root of 2782680012 is about 1406.5475637449.

The spelling of 2782680012 in words is "two billion, seven hundred eighty-two million, six hundred eighty thousand, twelve".