26485999 has 2 divisors, whose sum is σ = 26486000. Its totient is φ = 26485998.

The previous prime is 26485993. The next prime is 26486011. The reversal of 26485999 is 99958462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26485999 - 2⁷ = 26485871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26485993) 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 as a sum of consecutive naturals, namely, 13242999 + 13243000.

It is an arithmetic number, because the mean of its divisors is an integer number (13243000).

Almost surely, 2^26485999 is an apocalyptic number.

26485999 is a deficient number, since it is larger than the sum of its proper divisors (1).

26485999 is an equidigital number, since it uses as much as digits as its factorization.

26485999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 52.

The square root of 26485999 is about 5146.4549934882. The cubic root of 26485999 is about 298.0840828450.

The spelling of 26485999 in words is "twenty-six million, four hundred eighty-five thousand, nine hundred ninety-nine".