27572710993 has 4 divisors (see below), whose sum is σ = 27573497188. Its totient is φ = 27571924800.

The previous prime is 27572710987. The next prime is 27572711003. The reversal of 27572710993 is 39901727572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14193624769 + 13379086224 = 119137^2 + 115668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27572710993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27572710993.

It is not an unprimeable number, because it can be changed into a prime (27572710493) 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 3 ways as a sum of consecutive naturals, for example, 337908 + ... + 411493.

It is an arithmetic number, because the mean of its divisors is an integer number (6893374297).

Almost surely, 2^27572710993 is an apocalyptic number.

It is an amenable number.

27572710993 is a deficient number, since it is larger than the sum of its proper divisors (786195).

27572710993 is an equidigital number, since it uses as much as digits as its factorization.

27572710993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786194.

The product of its (nonzero) digits is 1666980, while the sum is 52.

The spelling of 27572710993 in words is "twenty-seven billion, five hundred seventy-two million, seven hundred ten thousand, nine hundred ninety-three".