26973272897 has 8 divisors (see below), whose sum is σ = 27539490720. Its totient is φ = 26412372000.

The previous prime is 26973272869. The next prime is 26973272923. The reversal of 26973272897 is 79827237962.

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

It is a cyclic number.

It is not a de Polignac number, because 26973272897 - 2¹² = 26973268801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26973272827) 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, 1318979 + ... + 1339272.

It is an arithmetic number, because the mean of its divisors is an integer number (3442436340).

Almost surely, 2^26973272897 is an apocalyptic number.

It is an amenable number.

26973272897 is a deficient number, since it is larger than the sum of its proper divisors (566217823).

26973272897 is a wasteful number, since it uses less digits than its factorization.

26973272897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658463.

The product of its digits is 32006016, while the sum is 62.

The spelling of 26973272897 in words is "twenty-six billion, nine hundred seventy-three million, two hundred seventy-two thousand, eight hundred ninety-seven".