27872788641 has 8 divisors (see below), whose sum is σ = 38027990880. Its totient is φ = 18149722752.

The previous prime is 27872788639. The next prime is 27872788693. The reversal of 27872788641 is 14688727872.

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

It is not a de Polignac number, because 27872788641 - 2¹ = 27872788639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27872787641) 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, 108033936 + ... + 108034193.

It is an arithmetic number, because the mean of its divisors is an integer number (4753498860).

Almost surely, 2^27872788641 is an apocalyptic number.

It is an amenable number.

27872788641 is a deficient number, since it is larger than the sum of its proper divisors (10155202239).

27872788641 is a wasteful number, since it uses less digits than its factorization.

27872788641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216068175.

The product of its digits is 16859136, while the sum is 60.

The spelling of 27872788641 in words is "twenty-seven billion, eight hundred seventy-two million, seven hundred eighty-eight thousand, six hundred forty-one".