26796894979 has 4 divisors (see below), whose sum is σ = 26882508376. Its totient is φ = 26711281584.

The previous prime is 26796894913. The next prime is 26796894991. The reversal of 26796894979 is 97949869762.

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

It is a cyclic number.

It is not a de Polignac number, because 26796894979 - 2⁷ = 26796894851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26796897979) 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, 42806229 + ... + 42806854.

It is an arithmetic number, because the mean of its divisors is an integer number (6720627094).

Almost surely, 2^26796894979 is an apocalyptic number.

26796894979 is a deficient number, since it is larger than the sum of its proper divisors (85613397).

26796894979 is an equidigital number, since it uses as much as digits as its factorization.

26796894979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85613396.

The product of its digits is 740710656, while the sum is 76.

The spelling of 26796894979 in words is "twenty-six billion, seven hundred ninety-six million, eight hundred ninety-four thousand, nine hundred seventy-nine".