26687116347 has 8 divisors (see below), whose sum is σ = 35597302080. Its totient is φ = 17784170760.

The previous prime is 26687116343. The next prime is 26687116363. The reversal of 26687116347 is 74361178662.

It is a happy number.

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

It is not a de Polignac number, because 26687116347 - 2² = 26687116343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26687116347.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801429 + ... + 1816182.

It is an arithmetic number, because the mean of its divisors is an integer number (4449662760).

Almost surely, 2^26687116347 is an apocalyptic number.

26687116347 is a deficient number, since it is larger than the sum of its proper divisors (8910185733).

26687116347 is a wasteful number, since it uses less digits than its factorization.

26687116347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620073.

The product of its digits is 2032128, while the sum is 51.

The spelling of 26687116347 in words is "twenty-six billion, six hundred eighty-seven million, one hundred sixteen thousand, three hundred forty-seven".