2781685848 has 32 divisors (see below), whose sum is σ = 7019213760. Its totient is φ = 918562080.

The previous prime is 2781685817. The next prime is 2781685859. The reversal of 2781685848 is 8485861872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539038 + ... + 544173.

It is an arithmetic number, because the mean of its divisors is an integer number (219350430).

Almost surely, 2^2781685848 is an apocalyptic number.

It is an amenable number.

2781685848 is an abundant number, since it is smaller than the sum of its proper divisors (4237527912).

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

2781685848 is a wasteful number, since it uses less digits than its factorization.

2781685848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083327 (or 1083323 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 57.

The square root of 2781685848 is about 52741.6898477855. The cubic root of 2781685848 is about 1406.3800387322.

The spelling of 2781685848 in words is "two billion, seven hundred eighty-one million, six hundred eighty-five thousand, eight hundred forty-eight".