2678471028686 has 32 divisors (see below), whose sum is σ = 4162109054400. Its totient is φ = 1292134233600.

The previous prime is 2678471028679. The next prime is 2678471028697. The reversal of 2678471028686 is 6868201748762.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921590 + ... + 2491238.

It is an arithmetic number, because the mean of its divisors is an integer number (130065907950).

Almost surely, 2^{2678471028686} is an apocalyptic number.

2678471028686 is a deficient number, since it is larger than the sum of its proper divisors (1483638025714).

2678471028686 is a wasteful number, since it uses less digits than its factorization.

2678471028686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569980.

The product of its (nonzero) digits is 86704128, while the sum is 65.

The spelling of 2678471028686 in words is "two trillion, six hundred seventy-eight billion, four hundred seventy-one million, twenty-eight thousand, six hundred eighty-six".