26710847987 has 2 divisors, whose sum is σ = 26710847988. Its totient is φ = 26710847986.

The previous prime is 26710847897. The next prime is 26710848019. The reversal of 26710847987 is 78974801762.

Together with previous prime (26710847897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26710847987 - 2¹⁸ = 26710585843 is a prime.

It is not a weakly prime, because it can be changed into another prime (26710843987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13355423993 + 13355423994.

It is an arithmetic number, because the mean of its divisors is an integer number (13355423994).

Almost surely, 2^26710847987 is an apocalyptic number.

26710847987 is a deficient number, since it is larger than the sum of its proper divisors (1).

26710847987 is an equidigital number, since it uses as much as digits as its factorization.

26710847987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9483264, while the sum is 59.

The spelling of 26710847987 in words is "twenty-six billion, seven hundred ten million, eight hundred forty-seven thousand, nine hundred eighty-seven".