26399927 has 2 divisors, whose sum is σ = 26399928. Its totient is φ = 26399926.

The previous prime is 26399921. The next prime is 26399953. The reversal of 26399927 is 72999362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26399927 - 2²⁰ = 25351351 is a prime.

It is a super-2 number, since 2×26399927² = 1393912291210658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26399921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13199963 + 13199964.

It is an arithmetic number, because the mean of its divisors is an integer number (13199964).

Almost surely, 2^26399927 is an apocalyptic number.

26399927 is a deficient number, since it is larger than the sum of its proper divisors (1).

26399927 is an equidigital number, since it uses as much as digits as its factorization.

26399927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 47.

The square root of 26399927 is about 5138.0859276583. The cubic root of 26399927 is about 297.7608361390.

The spelling of 26399927 in words is "twenty-six million, three hundred ninety-nine thousand, nine hundred twenty-seven".