26880000047 has 2 divisors, whose sum is σ = 26880000048. Its totient is φ = 26880000046.

The previous prime is 26879999989. The next prime is 26880000053. The reversal of 26880000047 is 74000008862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26880000047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26879999971 and 26880000016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26880000647) 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 as a sum of consecutive naturals, namely, 13440000023 + 13440000024.

It is an arithmetic number, because the mean of its divisors is an integer number (13440000024).

Almost surely, 2^26880000047 is an apocalyptic number.

26880000047 is a deficient number, since it is larger than the sum of its proper divisors (1).

26880000047 is an equidigital number, since it uses as much as digits as its factorization.

26880000047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 26880000047 in words is "twenty-six billion, eight hundred eighty million, forty-seven", and thus it is an aban number.