26196047587 has 4 divisors (see below), whose sum is σ = 26805258040. Its totient is φ = 25586837136.

The previous prime is 26196047569. The next prime is 26196047621. The reversal of 26196047587 is 78574069162.

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 26196047587 - 2¹¹ = 26196045539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26196047287) 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, 304605162 + ... + 304605247.

It is an arithmetic number, because the mean of its divisors is an integer number (6701314510).

Almost surely, 2^26196047587 is an apocalyptic number.

26196047587 is a deficient number, since it is larger than the sum of its proper divisors (609210453).

26196047587 is an equidigital number, since it uses as much as digits as its factorization.

26196047587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609210452.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 26196047587 in words is "twenty-six billion, one hundred ninety-six million, forty-seven thousand, five hundred eighty-seven".