26687116345 has 8 divisors (see below), whose sum is σ = 32109039360. Its totient is φ = 21293359920.

The previous prime is 26687116343. The next prime is 26687116363. The reversal of 26687116345 is 54361178662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26687116345 - 2¹ = 26687116343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26687116343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7039561 + ... + 7043350.

It is an arithmetic number, because the mean of its divisors is an integer number (4013629920).

Almost surely, 2^26687116345 is an apocalyptic number.

It is an amenable number.

26687116345 is a deficient number, since it is larger than the sum of its proper divisors (5421923015).

26687116345 is a wasteful number, since it uses less digits than its factorization.

26687116345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14083295.

The product of its digits is 1451520, while the sum is 49.

The spelling of 26687116345 in words is "twenty-six billion, six hundred eighty-seven million, one hundred sixteen thousand, three hundred forty-five".