2781682860 has 48 divisors (see below), whose sum is σ = 8496778752. Its totient is φ = 674347200.

The previous prime is 2781682847. The next prime is 2781682867. The reversal of 2781682860 is 682861872.

2781682860 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2781682867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2106676 + ... + 2107995.

It is an arithmetic number, because the mean of its divisors is an integer number (177016224).

Almost surely, 2^2781682860 is an apocalyptic number.

2781682860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2781682860 is an abundant number, since it is smaller than the sum of its proper divisors (5715095892).

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

2781682860 is a wasteful number, since it uses less digits than its factorization.

2781682860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214694 (or 4214692 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 2781682860 is about 52741.6615210405. The cubic root of 2781682860 is about 1406.3795351689.

The spelling of 2781682860 in words is "two billion, seven hundred eighty-one million, six hundred eighty-two thousand, eight hundred sixty".