27865585849 has 8 divisors (see below), whose sum is σ = 27993288960. Its totient is φ = 27737935536.

The previous prime is 27865585843. The next prime is 27865585873. The reversal of 27865585849 is 94858556872.

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 27865585849 - 2³ = 27865585841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27865585841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1374702 + ... + 1394824.

It is an arithmetic number, because the mean of its divisors is an integer number (3499161120).

Almost surely, 2^27865585849 is an apocalyptic number.

It is an amenable number.

27865585849 is a deficient number, since it is larger than the sum of its proper divisors (127703111).

27865585849 is a wasteful number, since it uses less digits than its factorization.

27865585849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26399.

The product of its digits is 193536000, while the sum is 67.

The spelling of 27865585849 in words is "twenty-seven billion, eight hundred sixty-five million, five hundred eighty-five thousand, eight hundred forty-nine".