27731325133 has 8 divisors (see below), whose sum is σ = 28068683328. Its totient is φ = 27394044384.

The previous prime is 27731325019. The next prime is 27731325137. The reversal of 27731325133 is 33152313772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27731325133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27731325092 and 27731325101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27731325137) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1071441 + ... + 1097017.

It is an arithmetic number, because the mean of its divisors is an integer number (3508585416).

Almost surely, 2^27731325133 is an apocalyptic number.

It is an amenable number.

27731325133 is a deficient number, since it is larger than the sum of its proper divisors (337358195).

27731325133 is a wasteful number, since it uses less digits than its factorization.

27731325133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38723.

The product of its digits is 79380, while the sum is 37.

The spelling of 27731325133 in words is "twenty-seven billion, seven hundred thirty-one million, three hundred twenty-five thousand, one hundred thirty-three".