2678246874667 has 36 divisors (see below), whose sum is σ = 3416306044320. Its totient is φ = 2092228512192.

The previous prime is 2678246874649. The next prime is 2678246874673. The reversal of 2678246874667 is 7664786428762.

It is not a de Polignac number, because 2678246874667 - 2³⁹ = 2128491060779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2678246874667.

It is not an unprimeable number, because it can be changed into a prime (2678246874607) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1392768 + ... + 2701165.

It is an arithmetic number, because the mean of its divisors is an integer number (94897390120).

Almost surely, 2^{2678246874667} is an apocalyptic number.

2678246874667 is a deficient number, since it is larger than the sum of its proper divisors (738059169653).

2678246874667 is a wasteful number, since it uses less digits than its factorization.

2678246874667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094052 (or 4094032 counting only the distinct ones).

The product of its digits is 1820786688, while the sum is 73.

The spelling of 2678246874667 in words is "two trillion, six hundred seventy-eight billion, two hundred forty-six million, eight hundred seventy-four thousand, six hundred sixty-seven".