26930791 has 2 divisors, whose sum is σ = 26930792. Its totient is φ = 26930790.

The previous prime is 26930779. The next prime is 26930803. The reversal of 26930791 is 19703962.

It is a balanced prime because it is at equal distance from previous prime (26930779) and next prime (26930803).

It is a cyclic number.

It is not a de Polignac number, because 26930791 - 2⁹ = 26930279 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26930791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26930711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13465395 + 13465396.

It is an arithmetic number, because the mean of its divisors is an integer number (13465396).

Almost surely, 2^26930791 is an apocalyptic number.

26930791 is a deficient number, since it is larger than the sum of its proper divisors (1).

26930791 is an equidigital number, since it uses as much as digits as its factorization.

26930791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 26930791 is about 5189.4885104411. The cubic root of 26930791 is about 299.7434510417.

The spelling of 26930791 in words is "twenty-six million, nine hundred thirty thousand, seven hundred ninety-one".