27720586541 has 8 divisors (see below), whose sum is σ = 29191776000. Its totient is φ = 26250618240.

The previous prime is 27720586513. The next prime is 27720586559. The reversal of 27720586541 is 14568502772.

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 27720586541 - 2³⁰ = 26646844717 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 (27720586501) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 258500 + ... + 349661.

It is an arithmetic number, because the mean of its divisors is an integer number (3648972000).

Almost surely, 2^27720586541 is an apocalyptic number.

It is an amenable number.

27720586541 is a deficient number, since it is larger than the sum of its proper divisors (1471189459).

27720586541 is a wasteful number, since it uses less digits than its factorization.

27720586541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610579.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 27720586541 in words is "twenty-seven billion, seven hundred twenty million, five hundred eighty-six thousand, five hundred forty-one".