26796290971 has 4 divisors (see below), whose sum is σ = 26976132000. Its totient is φ = 26616449944.

The previous prime is 26796290867. The next prime is 26796290977. The reversal of 26796290971 is 17909269762.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26796290971 is a prime.

It is a super-2 number, since 2×26796290971² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26796290977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89920291 + ... + 89920588.

It is an arithmetic number, because the mean of its divisors is an integer number (6744033000).

Almost surely, 2^26796290971 is an apocalyptic number.

26796290971 is a deficient number, since it is larger than the sum of its proper divisors (179841029).

26796290971 is a wasteful number, since it uses less digits than its factorization.

26796290971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179841028.

The product of its (nonzero) digits is 5143824, while the sum is 58.

The spelling of 26796290971 in words is "twenty-six billion, seven hundred ninety-six million, two hundred ninety thousand, nine hundred seventy-one".