26885594867 has 2 divisors, whose sum is σ = 26885594868. Its totient is φ = 26885594866.

The previous prime is 26885594821. The next prime is 26885594887. The reversal of 26885594867 is 76849558862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26885594867 - 2⁸ = 26885594611 is a prime.

It is a super-2 number, since 2×26885594867² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26885594797 and 26885594806.

It is not a weakly prime, because it can be changed into another prime (26885594887) 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 as a sum of consecutive naturals, namely, 13442797433 + 13442797434.

It is an arithmetic number, because the mean of its divisors is an integer number (13442797434).

Almost surely, 2^26885594867 is an apocalyptic number.

26885594867 is a deficient number, since it is larger than the sum of its proper divisors (1).

26885594867 is an equidigital number, since it uses as much as digits as its factorization.

26885594867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 232243200, while the sum is 68.

The spelling of 26885594867 in words is "twenty-six billion, eight hundred eighty-five million, five hundred ninety-four thousand, eight hundred sixty-seven".