27330320545 has 16 divisors (see below), whose sum is σ = 35977763520. Its totient is φ = 19765547200.

The previous prime is 27330320539. The next prime is 27330320573. The reversal of 27330320545 is 54502303372.

It is not a de Polignac number, because 27330320545 - 2⁵ = 27330320513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27330320545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1378186 + ... + 1397875.

It is an arithmetic number, because the mean of its divisors is an integer number (2248610220).

Almost surely, 2^27330320545 is an apocalyptic number.

It is an amenable number.

27330320545 is a deficient number, since it is larger than the sum of its proper divisors (8647442975).

27330320545 is a wasteful number, since it uses less digits than its factorization.

27330320545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776256.

The product of its (nonzero) digits is 75600, while the sum is 34.

The spelling of 27330320545 in words is "twenty-seven billion, three hundred thirty million, three hundred twenty thousand, five hundred forty-five".