27213351800 has 48 divisors (see below), whose sum is σ = 66992877360. Its totient is φ = 10245025280.

The previous prime is 27213351791. The next prime is 27213351881. The reversal of 27213351800 is 815331272.

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 11 ways as a sum of consecutive naturals, for example, 3998564 + ... + 4005363.

It is an arithmetic number, because the mean of its divisors is an integer number (1395684945).

Almost surely, 2^27213351800 is an apocalyptic number.

27213351800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27213351800 is an abundant number, since it is smaller than the sum of its proper divisors (39779525560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27213351800 is a wasteful number, since it uses less digits than its factorization.

27213351800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003960 (or 8003951 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 27213351800 in words is "twenty-seven billion, two hundred thirteen million, three hundred fifty-one thousand, eight hundred".