27748375455 has 8 divisors (see below), whose sum is σ = 44397400752. Its totient is φ = 14799133568.

The previous prime is 27748375423. The next prime is 27748375463. The reversal of 27748375455 is 55457384772.

It is a happy number.

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 27748375455 - 2⁵ = 27748375423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27748375395 and 27748375404.

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, 924945834 + ... + 924945863.

It is an arithmetic number, because the mean of its divisors is an integer number (5549675094).

Almost surely, 2^27748375455 is an apocalyptic number.

27748375455 is a deficient number, since it is larger than the sum of its proper divisors (16649025297).

27748375455 is a wasteful number, since it uses less digits than its factorization.

27748375455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849891705.

The product of its digits is 32928000, while the sum is 57.

The spelling of 27748375455 in words is "twenty-seven billion, seven hundred forty-eight million, three hundred seventy-five thousand, four hundred fifty-five".