26097985 has 16 divisors (see below), whose sum is σ = 32855040. Its totient is φ = 19863360.

The previous prime is 26097971. The next prime is 26097989. The reversal of 26097985 is 58979062.

It is not a de Polignac number, because 26097985 - 2⁷ = 26097857 is a prime.

It is a super-2 number, since 2×26097985² = 1362209642120450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26097989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25840 + ... + 26830.

It is an arithmetic number, because the mean of its divisors is an integer number (2053440).

Almost surely, 2^26097985 is an apocalyptic number.

It is an amenable number.

26097985 is a deficient number, since it is larger than the sum of its proper divisors (6757055).

26097985 is a wasteful number, since it uses less digits than its factorization.

26097985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 26097985 is about 5108.6186978478. The cubic root of 26097985 is about 296.6212943839.

The spelling of 26097985 in words is "twenty-six million, ninety-seven thousand, nine hundred eighty-five".