26901267897 has 8 divisors (see below), whose sum is σ = 40992408256. Its totient is φ = 15372153072.

The previous prime is 26901267853. The next prime is 26901267931. The reversal of 26901267897 is 79876210962.

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

It is not a de Polignac number, because 26901267897 - 2⁸ = 26901267641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26901267817) 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, 640506358 + ... + 640506399.

It is an arithmetic number, because the mean of its divisors is an integer number (5124051032).

Almost surely, 2^26901267897 is an apocalyptic number.

It is an amenable number.

26901267897 is a deficient number, since it is larger than the sum of its proper divisors (14091140359).

26901267897 is a wasteful number, since it uses less digits than its factorization.

26901267897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281012767.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 26901267897 in words is "twenty-six billion, nine hundred one million, two hundred sixty-seven thousand, eight hundred ninety-seven".