26459857 has 2 divisors, whose sum is σ = 26459858. Its totient is φ = 26459856.

The previous prime is 26459827. The next prime is 26459863. The reversal of 26459857 is 75895462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18113536 + 8346321 = 4256^2 + 2889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26459857 is a prime.

It is not a weakly prime, because it can be changed into another prime (26459827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13229928 + 13229929.

It is an arithmetic number, because the mean of its divisors is an integer number (13229929).

Almost surely, 2^26459857 is an apocalyptic number.

It is an amenable number.

26459857 is a deficient number, since it is larger than the sum of its proper divisors (1).

26459857 is an equidigital number, since it uses as much as digits as its factorization.

26459857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 46.

The square root of 26459857 is about 5143.9145599436. The cubic root of 26459857 is about 297.9859797016.

The spelling of 26459857 in words is "twenty-six million, four hundred fifty-nine thousand, eight hundred fifty-seven".