26485689223 has 32 divisors (see below), whose sum is σ = 32891443200. Its totient is φ = 20808506880.

The previous prime is 26485689199. The next prime is 26485689229. The reversal of 26485689223 is 32298658462.

It is a de Polignac number, because none of the positive numbers 2^k-26485689223 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26485689229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1778418 + ... + 1793248.

It is an arithmetic number, because the mean of its divisors is an integer number (1027857600).

Almost surely, 2^26485689223 is an apocalyptic number.

26485689223 is a deficient number, since it is larger than the sum of its proper divisors (6405753977).

26485689223 is a wasteful number, since it uses less digits than its factorization.

26485689223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15247.

The product of its digits is 9953280, while the sum is 55.

The spelling of 26485689223 in words is "twenty-six billion, four hundred eighty-five million, six hundred eighty-nine thousand, two hundred twenty-three".