26089623818 has 16 divisors (see below), whose sum is σ = 41863646664. Its totient is φ = 12150896640.

The previous prime is 26089623817. The next prime is 26089623871. The reversal of 26089623818 is 81832698062.

It can be written as a sum of positive squares in 4 ways, for example, as 25926474289 + 163149529 = 161017^2 + 12773^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26089623818.

It is not an unprimeable number, because it can be changed into a prime (26089623817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3952073 + ... + 3958668.

Almost surely, 2^26089623818 is an apocalyptic number.

26089623818 is a deficient number, since it is larger than the sum of its proper divisors (15774022846).

26089623818 is a wasteful number, since it uses less digits than its factorization.

26089623818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7910857.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 26089623818 in words is "twenty-six billion, eighty-nine million, six hundred twenty-three thousand, eight hundred eighteen".