26868716345 has 16 divisors (see below), whose sum is σ = 33034916880. Its totient is φ = 20966860800.

The previous prime is 26868716333. The next prime is 26868716387. The reversal of 26868716345 is 54361786862.

26868716345 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 310147321 + 26558569024 = 17611^2 + 162968^2 .

It is not a de Polignac number, because 26868716345 - 2³⁰ = 25794974521 is a prime.

26868716345 is strictly pandigital in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1707815 + ... + 1723475.

It is an arithmetic number, because the mean of its divisors is an integer number (2064682305).

Almost surely, 2^26868716345 is an apocalyptic number.

It is an amenable number.

26868716345 is a deficient number, since it is larger than the sum of its proper divisors (6166200535).

26868716345 is a wasteful number, since it uses less digits than its factorization.

26868716345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24076.

The product of its digits is 11612160, while the sum is 56.

The spelling of 26868716345 in words is "twenty-six billion, eight hundred sixty-eight million, seven hundred sixteen thousand, three hundred forty-five".