26681097 has 12 divisors (see below), whose sum is σ = 36036464. Its totient is φ = 17559480.

The previous prime is 26681093. The next prime is 26681099. The reversal of 26681097 is 79018662.

It is not a de Polignac number, because 26681097 - 2² = 26681093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26681093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20022 + ... + 21312.

Almost surely, 2^26681097 is an apocalyptic number.

It is an amenable number.

26681097 is a deficient number, since it is larger than the sum of its proper divisors (9355367).

26681097 is an equidigital number, since it uses as much as digits as its factorization.

26681097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 26681097 is about 5165.3748169905. The cubic root of 26681097 is about 298.8141968563.

The spelling of 26681097 in words is "twenty-six million, six hundred eighty-one thousand, ninety-seven".