27732078245 has 8 divisors (see below), whose sum is σ = 33365385216. Its totient is φ = 22127735056.

The previous prime is 27732078217. The next prime is 27732078247. The reversal of 27732078245 is 54287023772.

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 27732078245 - 2⁶ = 27732078181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27732078245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27732078247) 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, 7238837 + ... + 7242666.

It is an arithmetic number, because the mean of its divisors is an integer number (4170673152).

Almost surely, 2^27732078245 is an apocalyptic number.

It is an amenable number.

27732078245 is a deficient number, since it is larger than the sum of its proper divisors (5633306971).

27732078245 is a wasteful number, since it uses less digits than its factorization.

27732078245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14481891.

The product of its (nonzero) digits is 1317120, while the sum is 47.

The spelling of 27732078245 in words is "twenty-seven billion, seven hundred thirty-two million, seventy-eight thousand, two hundred forty-five".