2686786158 has 32 divisors (see below), whose sum is σ = 6188117760. Its totient is φ = 761791680.

The previous prime is 2686786139. The next prime is 2686786163. The reversal of 2686786158 is 8516876862.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2686786098 and 2686786107.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 238663 + ... + 249666.

It is an arithmetic number, because the mean of its divisors is an integer number (193378680).

Almost surely, 2^2686786158 is an apocalyptic number.

2686786158 is an abundant number, since it is smaller than the sum of its proper divisors (3501331602).

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

2686786158 is a wasteful number, since it uses less digits than its factorization.

2686786158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488472.

The product of its digits is 7741440, while the sum is 57.

The square root of 2686786158 is about 51834.2180224608. The cubic root of 2686786158 is about 1390.2013334300.

The spelling of 2686786158 in words is "two billion, six hundred eighty-six million, seven hundred eighty-six thousand, one hundred fifty-eight".