27504545616823 has 16 divisors (see below), whose sum is σ = 30014571548160. Its totient is φ = 24996122877600.

The previous prime is 27504545616809. The next prime is 27504545616869. The reversal of 27504545616823 is 32861654540572.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 27504545616823 - 2⁵ = 27504545616791 is a prime.

It is a super-2 number, since 2×27504545616823² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27504545616803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926969278 + ... + 926998948.

It is an arithmetic number, because the mean of its divisors is an integer number (1875910721760).

Almost surely, 2^{27504545616823} is an apocalyptic number.

27504545616823 is a deficient number, since it is larger than the sum of its proper divisors (2510025931337).

27504545616823 is a wasteful number, since it uses less digits than its factorization.

27504545616823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53838.

The product of its (nonzero) digits is 48384000, while the sum is 58.

The spelling of 27504545616823 in words is "twenty-seven trillion, five hundred four billion, five hundred forty-five million, six hundred sixteen thousand, eight hundred twenty-three".