26448857 has 2 divisors, whose sum is σ = 26448858. Its totient is φ = 26448856.

The previous prime is 26448833. The next prime is 26448871. The reversal of 26448857 is 75884462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21864976 + 4583881 = 4676^2 + 2141^2 .

It is a cyclic number.

It is not a de Polignac number, because 26448857 - 2⁸ = 26448601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26444857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13224428 + 13224429.

It is an arithmetic number, because the mean of its divisors is an integer number (13224429).

Almost surely, 2^26448857 is an apocalyptic number.

It is an amenable number.

26448857 is a deficient number, since it is larger than the sum of its proper divisors (1).

26448857 is an equidigital number, since it uses as much as digits as its factorization.

26448857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 430080, while the sum is 44.

The square root of 26448857 is about 5142.8452241925. The cubic root of 26448857 is about 297.9446806612.

The spelling of 26448857 in words is "twenty-six million, four hundred forty-eight thousand, eight hundred fifty-seven".