26827046217 has 12 divisors (see below), whose sum is σ = 38761173360. Its totient is φ = 17879622648.

The previous prime is 26827046203. The next prime is 26827046221. The reversal of 26827046217 is 71264072862.

It is a happy number.

It is not a de Polignac number, because 26827046217 - 2⁴ = 26827046201 is a prime.

It is a super-2 number, since 2×26827046217² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26827046237) 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 11 ways as a sum of consecutive naturals, for example, 389283 + ... + 452984.

It is an arithmetic number, because the mean of its divisors is an integer number (3230097780).

Almost surely, 2^26827046217 is an apocalyptic number.

It is an amenable number.

26827046217 is a deficient number, since it is larger than the sum of its proper divisors (11934127143).

26827046217 is a wasteful number, since it uses less digits than its factorization.

26827046217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845812 (or 845809 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 26827046217 in words is "twenty-six billion, eight hundred twenty-seven million, forty-six thousand, two hundred seventeen".