26898887 has 2 divisors, whose sum is σ = 26898888. Its totient is φ = 26898886.

The previous prime is 26898881. The next prime is 26898919. The reversal of 26898887 is 78889862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26898887 - 2⁴ = 26898871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26898881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13449443 + 13449444.

It is an arithmetic number, because the mean of its divisors is an integer number (13449444).

Almost surely, 2^26898887 is an apocalyptic number.

26898887 is a deficient number, since it is larger than the sum of its proper divisors (1).

26898887 is an equidigital number, since it uses as much as digits as its factorization.

26898887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3096576, while the sum is 56.

The square root of 26898887 is about 5186.4136934880. The cubic root of 26898887 is about 299.6250389500.

The spelling of 26898887 in words is "twenty-six million, eight hundred ninety-eight thousand, eight hundred eighty-seven".