26969947 has 2 divisors, whose sum is σ = 26969948. Its totient is φ = 26969946.

The previous prime is 26969941. The next prime is 26969953. The reversal of 26969947 is 74996962.

It is a balanced prime because it is at equal distance from previous prime (26969941) and next prime (26969953).

It is a cyclic number.

It is not a de Polignac number, because 26969947 - 2¹⁵ = 26937179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26969894 and 26969903.

It is not a weakly prime, because it can be changed into another prime (26969941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13484973 + 13484974.

It is an arithmetic number, because the mean of its divisors is an integer number (13484974).

Almost surely, 2^26969947 is an apocalyptic number.

26969947 is a deficient number, since it is larger than the sum of its proper divisors (1).

26969947 is an equidigital number, since it uses as much as digits as its factorization.

26969947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 52.

The square root of 26969947 is about 5193.2597662740. The cubic root of 26969947 is about 299.8886512692. Note that the first 3 decimals are identical.

The spelling of 26969947 in words is "twenty-six million, nine hundred sixty-nine thousand, nine hundred forty-seven".