27752660455 has 8 divisors (see below), whose sum is σ = 35864976672. Its totient is φ = 20494272288.

The previous prime is 27752660423. The next prime is 27752660461. The reversal of 27752660455 is 55406625772.

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 27752660455 - 2⁵ = 27752660423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27752660399 and 27752660408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213481939 + ... + 213482068.

It is an arithmetic number, because the mean of its divisors is an integer number (4483122084).

Almost surely, 2^27752660455 is an apocalyptic number.

27752660455 is a deficient number, since it is larger than the sum of its proper divisors (8112316217).

27752660455 is a wasteful number, since it uses less digits than its factorization.

27752660455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426964025.

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 27752660455 in words is "twenty-seven billion, seven hundred fifty-two million, six hundred sixty thousand, four hundred fifty-five".