26427887 has 4 divisors (see below), whose sum is σ = 26440296. Its totient is φ = 26415480.

The previous prime is 26427881. The next prime is 26427899. The reversal of 26427887 is 78872462.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 26427887 - 2⁴ = 26427871 is a prime.

It is a super-2 number, since 2×26427887² = 1396866422569538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26427881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2108 + ... + 7569.

It is an arithmetic number, because the mean of its divisors is an integer number (6610074).

Almost surely, 2^26427887 is an apocalyptic number.

26427887 is a deficient number, since it is larger than the sum of its proper divisors (12409).

26427887 is an equidigital number, since it uses as much as digits as its factorization.

26427887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12408.

The product of its digits is 301056, while the sum is 44.

The square root of 26427887 is about 5140.8060652003. The cubic root of 26427887 is about 297.8659179394.

The spelling of 26427887 in words is "twenty-six million, four hundred twenty-seven thousand, eight hundred eighty-seven".