26104804487 has 4 divisors (see below), whose sum is σ = 26106072720. Its totient is φ = 26103536256.

The previous prime is 26104804447. The next prime is 26104804499. The reversal of 26104804487 is 78440840162.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26104804487 - 2²⁴ = 26088027271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26104804417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602723 + ... + 644580.

It is an arithmetic number, because the mean of its divisors is an integer number (6526518180).

Almost surely, 2^26104804487 is an apocalyptic number.

26104804487 is a deficient number, since it is larger than the sum of its proper divisors (1268233).

26104804487 is a wasteful number, since it uses less digits than its factorization.

26104804487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268232.

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 26104804487 in words is "twenty-six billion, one hundred four million, eight hundred four thousand, four hundred eighty-seven".