27228481845 has 8 divisors (see below), whose sum is σ = 43565570976. Its totient is φ = 14521856976.

The previous prime is 27228481823. The next prime is 27228481853. The reversal of 27228481845 is 54818482272.

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

It is not a de Polignac number, because 27228481845 - 2⁸ = 27228481589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 907616047 + ... + 907616076.

It is an arithmetic number, because the mean of its divisors is an integer number (5445696372).

Almost surely, 2^27228481845 is an apocalyptic number.

It is an amenable number.

27228481845 is a deficient number, since it is larger than the sum of its proper divisors (16337089131).

27228481845 is a wasteful number, since it uses less digits than its factorization.

27228481845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815232131.

The product of its digits is 2293760, while the sum is 51.

The spelling of 27228481845 in words is "twenty-seven billion, two hundred twenty-eight million, four hundred eighty-one thousand, eight hundred forty-five".