27824728031 has 2 divisors, whose sum is σ = 27824728032. Its totient is φ = 27824728030.

The previous prime is 27824727947. The next prime is 27824728037. The reversal of 27824728031 is 13082742872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27824728031 - 2¹⁴ = 27824711647 is a prime.

It is a super-2 number, since 2×27824728031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27824728037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13912364015 + 13912364016.

It is an arithmetic number, because the mean of its divisors is an integer number (13912364016).

Almost surely, 2^27824728031 is an apocalyptic number.

27824728031 is a deficient number, since it is larger than the sum of its proper divisors (1).

27824728031 is an equidigital number, since it uses as much as digits as its factorization.

27824728031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 27824728031 in words is "twenty-seven billion, eight hundred twenty-four million, seven hundred twenty-eight thousand, thirty-one".