26886407317 has 16 divisors (see below), whose sum is σ = 33721454592. Its totient is φ = 20824985520.

The previous prime is 26886407281. The next prime is 26886407323. The reversal of 26886407317 is 71370468862.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26886407317 is a prime.

It is a super-2 number, since 2×26886407317² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26886407117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1032573 + ... + 1058290.

It is an arithmetic number, because the mean of its divisors is an integer number (2107590912).

Almost surely, 2^26886407317 is an apocalyptic number.

It is an amenable number.

26886407317 is a deficient number, since it is larger than the sum of its proper divisors (6835047275).

26886407317 is a wasteful number, since it uses less digits than its factorization.

26886407317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091048.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 26886407317 in words is "twenty-six billion, eight hundred eighty-six million, four hundred seven thousand, three hundred seventeen".