2678263128268 has 96 divisors (see below), whose sum is σ = 5778749849600. Its totient is φ = 1057664272896.

The previous prime is 2678263128251. The next prime is 2678263128341. The reversal of 2678263128268 is 8628213628762.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 643965973 + ... + 643970131.

Almost surely, 2^{2678263128268} is an apocalyptic number.

2678263128268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2678263128268 is an abundant number, since it is smaller than the sum of its proper divisors (3100486721332).

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

2678263128268 is a wasteful number, since it uses less digits than its factorization.

2678263128268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6879 (or 6877 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 61.

The spelling of 2678263128268 in words is "two trillion, six hundred seventy-eight billion, two hundred sixty-three million, one hundred twenty-eight thousand, two hundred sixty-eight".