27731325323 has 16 divisors (see below), whose sum is σ = 30696314880. Its totient is φ = 24886279296.

The previous prime is 27731325319. The next prime is 27731325329. The reversal of 27731325323 is 32352313772.

It is a cyclic number.

It is not a de Polignac number, because 27731325323 - 2² = 27731325319 is a prime.

It is a super-2 number, since 2×27731325323² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27731325329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592661 + ... + 637737.

It is an arithmetic number, because the mean of its divisors is an integer number (1918519680).

Almost surely, 2^27731325323 is an apocalyptic number.

27731325323 is a deficient number, since it is larger than the sum of its proper divisors (2964989557).

27731325323 is a wasteful number, since it uses less digits than its factorization.

27731325323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46406.

The product of its digits is 158760, while the sum is 38.

The spelling of 27731325323 in words is "twenty-seven billion, seven hundred thirty-one million, three hundred twenty-five thousand, three hundred twenty-three".