26860026776 has 64 divisors (see below), whose sum is σ = 55937930400. Its totient is φ = 11989555200.

The previous prime is 26860026719. The next prime is 26860026779. The reversal of 26860026776 is 67762006862.

It is a super-2 number, since 2×26860026776² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26860026779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1071506 + ... + 1096286.

Almost surely, 2^26860026776 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 26860026776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27968965200).

26860026776 is an abundant number, since it is smaller than the sum of its proper divisors (29077903624).

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

26860026776 is a wasteful number, since it uses less digits than its factorization.

26860026776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25020 (or 25016 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 26860026776 in words is "twenty-six billion, eight hundred sixty million, twenty-six thousand, seven hundred seventy-six".