2786930806 has 24 divisors (see below), whose sum is σ = 4597724880. Its totient is φ = 1266030480.

The previous prime is 2786930803. The next prime is 2786930813. The reversal of 2786930806 is 6080396872.

It is a self number, because there is not a number n which added to its sum of digits gives 2786930806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2786930801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 696660 + ... + 700648.

It is an arithmetic number, because the mean of its divisors is an integer number (191571870).

Almost surely, 2^2786930806 is an apocalyptic number.

2786930806 is a deficient number, since it is larger than the sum of its proper divisors (1810794074).

2786930806 is a wasteful number, since it uses less digits than its factorization.

2786930806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900 (or 6889 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 2786930806 is about 52791.3895062443. The cubic root of 2786930806 is about 1407.2634086668.

The spelling of 2786930806 in words is "two billion, seven hundred eighty-six million, nine hundred thirty thousand, eight hundred six".