26204875563 has 18 divisors (see below), whose sum is σ = 36883057044. Its totient is φ = 16547083128.

The previous prime is 26204875531. The next prime is 26204875583. The reversal of 26204875563 is 36557840262.

It is not a de Polignac number, because 26204875563 - 2⁵ = 26204875531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26204875583) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5324818 + ... + 5329736.

Almost surely, 2^26204875563 is an apocalyptic number.

26204875563 is a deficient number, since it is larger than the sum of its proper divisors (10678181481).

26204875563 is an frugal number, since it uses more digits than its factorization.

26204875563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9879 (or 4941 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

Multiplying 26204875563 by its sum of digits (48), we get a square (1257834027024 = 1121532²).

The spelling of 26204875563 in words is "twenty-six billion, two hundred four million, eight hundred seventy-five thousand, five hundred sixty-three".