26678627856 has 120 divisors (see below), whose sum is σ = 77537780320. Its totient is φ = 8880316416.

The previous prime is 26678627831. The next prime is 26678627873. The reversal of 26678627856 is 65872687662.

It is a junction number, because it is equal to n+sod(n) for n = 26678627793 and 26678627802.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2985411 + ... + 2994333.

Almost surely, 2^26678627856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26678627856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38768890160).

26678627856 is an abundant number, since it is smaller than the sum of its proper divisors (50859152464).

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

26678627856 is an equidigital number, since it uses as much as digits as its factorization.

26678627856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9715 (or 9697 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 26678627856 in words is "twenty-six billion, six hundred seventy-eight million, six hundred twenty-seven thousand, eight hundred fifty-six".