26367881 has 2 divisors, whose sum is σ = 26367882. Its totient is φ = 26367880.

The previous prime is 26367829. The next prime is 26367919. The reversal of 26367881 is 18876362.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25593481 + 774400 = 5059^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 26367881 - 2¹⁴ = 26351497 is a prime.

It is a super-2 number, since 2×26367881² = 1390530296860322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26367181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13183940 + 13183941.

It is an arithmetic number, because the mean of its divisors is an integer number (13183941).

Almost surely, 2^26367881 is an apocalyptic number.

It is an amenable number.

26367881 is a deficient number, since it is larger than the sum of its proper divisors (1).

26367881 is an equidigital number, since it uses as much as digits as its factorization.

26367881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 26367881 is about 5134.9665042724. The cubic root of 26367881 is about 297.6403066733.

The spelling of 26367881 in words is "twenty-six million, three hundred sixty-seven thousand, eight hundred eighty-one".