2686767578084 has 12 divisors (see below), whose sum is σ = 4978422277164. Its totient is φ = 1264361213184.

The previous prime is 2686767578029. The next prime is 2686767578153. The reversal of 2686767578084 is 4808757676862.

It can be written as a sum of positive squares in 2 ways, for example, as 2289895297600 + 396872280484 = 1513240^2 + 629978^2 .

It is a super-2 number, since 2×2686767578084² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19755643889 + ... + 19755644024.

It is an arithmetic number, because the mean of its divisors is an integer number (414868523097).

Almost surely, 2^{2686767578084} is an apocalyptic number.

It is an amenable number.

2686767578084 is a deficient number, since it is larger than the sum of its proper divisors (2291654699080).

2686767578084 is a wasteful number, since it uses less digits than its factorization.

2686767578084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39511287934 (or 39511287932 counting only the distinct ones).

The product of its (nonzero) digits is 1517322240, while the sum is 74.

The spelling of 2686767578084 in words is "two trillion, six hundred eighty-six billion, seven hundred sixty-seven million, five hundred seventy-eight thousand, eighty-four".