26811247894 has 16 divisors (see below), whose sum is σ = 40892494320. Its totient is φ = 13180592160.

The previous prime is 26811247847. The next prime is 26811247933. The reversal of 26811247894 is 49874211862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272032 + ... + 357244.

It is an arithmetic number, because the mean of its divisors is an integer number (2555780895).

Almost surely, 2^26811247894 is an apocalyptic number.

26811247894 is a deficient number, since it is larger than the sum of its proper divisors (14081246426).

26811247894 is a wasteful number, since it uses less digits than its factorization.

26811247894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87855.

The product of its digits is 1548288, while the sum is 52.

The spelling of 26811247894 in words is "twenty-six billion, eight hundred eleven million, two hundred forty-seven thousand, eight hundred ninety-four".