2686726782 has 24 divisors (see below), whose sum is σ = 5823749880. Its totient is φ = 895189680.

The previous prime is 2686726781. The next prime is 2686726829. The reversal of 2686726782 is 2876276862.

It is a super-2 number, since 2×2686726782² = 14437001602232151048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686726781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12444 + ... + 74352.

It is an arithmetic number, because the mean of its divisors is an integer number (242656245).

Almost surely, 2^2686726782 is an apocalyptic number.

2686726782 is an abundant number, since it is smaller than the sum of its proper divisors (3137023098).

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

2686726782 is a wasteful number, since it uses less digits than its factorization.

2686726782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64328 (or 64325 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 2686726782 is about 51833.6452702296. The cubic root of 2686726782 is about 1390.1910925452.

The spelling of 2686726782 in words is "two billion, six hundred eighty-six million, seven hundred twenty-six thousand, seven hundred eighty-two".