26768865102 has 64 divisors (see below), whose sum is σ = 62261015040. Its totient is φ = 7514027136.

The previous prime is 26768865083. The next prime is 26768865107. The reversal of 26768865102 is 20156886762.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26768865107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7523908 + ... + 7527464.

It is an arithmetic number, because the mean of its divisors is an integer number (972828360).

Almost surely, 2^26768865102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26768865102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31130507520).

26768865102 is an abundant number, since it is smaller than the sum of its proper divisors (35492149938).

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

26768865102 is a wasteful number, since it uses less digits than its factorization.

26768865102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 26768865102 in words is "twenty-six billion, seven hundred sixty-eight million, eight hundred sixty-five thousand, one hundred two".