26851845836 has 24 divisors (see below), whose sum is σ = 49525182000. Its totient is φ = 12703544064.

The previous prime is 26851845791. The next prime is 26851845859. The reversal of 26851845836 is 63854815862.

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, 156881 + ... + 279848.

It is an arithmetic number, because the mean of its divisors is an integer number (2063549250).

Almost surely, 2^26851845836 is an apocalyptic number.

It is an amenable number.

26851845836 is a deficient number, since it is larger than the sum of its proper divisors (22673336164).

26851845836 is a wasteful number, since it uses less digits than its factorization.

26851845836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437561 (or 437559 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 56.

The spelling of 26851845836 in words is "twenty-six billion, eight hundred fifty-one million, eight hundred forty-five thousand, eight hundred thirty-six".