27830247645 has 8 divisors (see below), whose sum is σ = 44528396256. Its totient is φ = 14842798736.

The previous prime is 27830247629. The next prime is 27830247703. The reversal of 27830247645 is 54674203872.

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 27830247645 - 2⁴ = 27830247629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27830247594 and 27830247603.

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, 927674907 + ... + 927674936.

It is an arithmetic number, because the mean of its divisors is an integer number (5566049532).

Almost surely, 2^27830247645 is an apocalyptic number.

It is an amenable number.

27830247645 is a deficient number, since it is larger than the sum of its proper divisors (16698148611).

27830247645 is a wasteful number, since it uses less digits than its factorization.

27830247645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855349851.

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 27830247645 in words is "twenty-seven billion, eight hundred thirty million, two hundred forty-seven thousand, six hundred forty-five".