27726030509 has 8 divisors (see below), whose sum is σ = 27896221080. Its totient is φ = 27556027200.

The previous prime is 27726030467. The next prime is 27726030529. The reversal of 27726030509 is 90503062772.

It can be written as a sum of positive squares in 4 ways, for example, as 38068900 + 27687961609 = 6170^2 + 166397^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 27726030509 - 2²⁴ = 27709253293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27726030529) 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, 256199 + ... + 347979.

It is an arithmetic number, because the mean of its divisors is an integer number (3487027635).

Almost surely, 2^27726030509 is an apocalyptic number.

It is an amenable number.

27726030509 is a deficient number, since it is larger than the sum of its proper divisors (170190571).

27726030509 is a wasteful number, since it uses less digits than its factorization.

27726030509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93631.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 27726030509 in words is "twenty-seven billion, seven hundred twenty-six million, thirty thousand, five hundred nine".