26427829 has 2 divisors, whose sum is σ = 26427830. Its totient is φ = 26427828.

The previous prime is 26427799. The next prime is 26427839. The reversal of 26427829 is 92872462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16200625 + 10227204 = 4025^2 + 3198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26427829 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26427791 and 26427800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26427839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13213914 + 13213915.

It is an arithmetic number, because the mean of its divisors is an integer number (13213915).

Almost surely, 2^26427829 is an apocalyptic number.

It is an amenable number.

26427829 is a deficient number, since it is larger than the sum of its proper divisors (1).

26427829 is an equidigital number, since it uses as much as digits as its factorization.

26427829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 26427829 is about 5140.8004240585. The cubic root of 26427829 is about 297.8657000353.

The spelling of 26427829 in words is "twenty-six million, four hundred twenty-seven thousand, eight hundred twenty-nine".