27125331804 has 72 divisors (see below), whose sum is σ = 69216026880. Its totient is φ = 8956569600.

The previous prime is 27125331791. The next prime is 27125331811. The reversal of 27125331804 is 40813352172.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1648932 + ... + 1665300.

Almost surely, 2^27125331804 is an apocalyptic number.

It is an amenable number.

27125331804 is an abundant number, since it is smaller than the sum of its proper divisors (42090695076).

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

27125331804 is a wasteful number, since it uses less digits than its factorization.

27125331804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16811 (or 16806 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 27125331804 its reverse (40813352172), we get a palindrome (67938683976).

The spelling of 27125331804 in words is "twenty-seven billion, one hundred twenty-five million, three hundred thirty-one thousand, eight hundred four".