27731485039 has 2 divisors, whose sum is σ = 27731485040. Its totient is φ = 27731485038.

The previous prime is 27731485021. The next prime is 27731485081. The reversal of 27731485039 is 93058413772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27731485039 - 2⁵ = 27731485007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27731484983 and 27731485001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27731485339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13865742519 + 13865742520.

It is an arithmetic number, because the mean of its divisors is an integer number (13865742520).

Almost surely, 2^27731485039 is an apocalyptic number.

27731485039 is a deficient number, since it is larger than the sum of its proper divisors (1).

27731485039 is an equidigital number, since it uses as much as digits as its factorization.

27731485039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 27731485039 in words is "twenty-seven billion, seven hundred thirty-one million, four hundred eighty-five thousand, thirty-nine".