2687822834 has 8 divisors (see below), whose sum is σ = 4170759660. Its totient is φ = 1297569616.

The previous prime is 2687822833. The next prime is 2687822869. The reversal of 2687822834 is 4382287862.

2687822834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2590504609 + 97318225 = 50897^2 + 9865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2687822831) 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, 23170829 + ... + 23170944.

Almost surely, 2^2687822834 is an apocalyptic number.

2687822834 is a deficient number, since it is larger than the sum of its proper divisors (1482936826).

2687822834 is a wasteful number, since it uses less digits than its factorization.

2687822834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46341804.

The product of its digits is 2064384, while the sum is 50.

The square root of 2687822834 is about 51844.2169774026. The cubic root of 2687822834 is about 1390.3801099751.

The spelling of 2687822834 in words is "two billion, six hundred eighty-seven million, eight hundred twenty-two thousand, eight hundred thirty-four".