26327747947 has 2 divisors, whose sum is σ = 26327747948. Its totient is φ = 26327747946.

The previous prime is 26327747923. The next prime is 26327747981. The reversal of 26327747947 is 74974772362.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26327747947 - 2⁷ = 26327747819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26327747891 and 26327747900.

It is not a weakly prime, because it can be changed into another prime (26327747447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13163873973 + 13163873974.

It is an arithmetic number, because the mean of its divisors is an integer number (13163873974).

Almost surely, 2^26327747947 is an apocalyptic number.

26327747947 is a deficient number, since it is larger than the sum of its proper divisors (1).

26327747947 is an equidigital number, since it uses as much as digits as its factorization.

26327747947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24893568, while the sum is 58.

The spelling of 26327747947 in words is "twenty-six billion, three hundred twenty-seven million, seven hundred forty-seven thousand, nine hundred forty-seven".