26930947 has 2 divisors, whose sum is σ = 26930948. Its totient is φ = 26930946.

The previous prime is 26930933. The next prime is 26930987. The reversal of 26930947 is 74903962.

It is an a-pointer prime, because the next prime (26930987) can be obtained adding 26930947 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26930947 - 2⁷ = 26930819 is a prime.

It is not a weakly prime, because it can be changed into another prime (26930987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13465473 + 13465474.

It is an arithmetic number, because the mean of its divisors is an integer number (13465474).

Almost surely, 2^26930947 is an apocalyptic number.

26930947 is a deficient number, since it is larger than the sum of its proper divisors (1).

26930947 is an equidigital number, since it uses as much as digits as its factorization.

26930947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 26930947 is about 5189.5035408023. The cubic root of 26930947 is about 299.7440298078.

The spelling of 26930947 in words is "twenty-six million, nine hundred thirty thousand, nine hundred forty-seven".