27752354345 has 8 divisors (see below), whose sum is σ = 33704064576. Its totient is φ = 21934390576.

The previous prime is 27752354321. The next prime is 27752354353. The reversal of 27752354345 is 54345325772.

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 27752354345 - 2²⁶ = 27685245481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27752354345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33436157 + ... + 33436986.

It is an arithmetic number, because the mean of its divisors is an integer number (4213008072).

Almost surely, 2^27752354345 is an apocalyptic number.

It is an amenable number.

27752354345 is a deficient number, since it is larger than the sum of its proper divisors (5951710231).

27752354345 is an equidigital number, since it uses as much as digits as its factorization.

27752354345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66873231.

The product of its digits is 3528000, while the sum is 47.

The spelling of 27752354345 in words is "twenty-seven billion, seven hundred fifty-two million, three hundred fifty-four thousand, three hundred forty-five".