27830081537 has 2 divisors, whose sum is σ = 27830081538. Its totient is φ = 27830081536.

The previous prime is 27830081483. The next prime is 27830081549. The reversal of 27830081537 is 73518003872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14421367921 + 13408713616 = 120089^2 + 115796^2 .

It is a cyclic number.

It is not a de Polignac number, because 27830081537 - 2¹⁰ = 27830080513 is a prime.

It is not a weakly prime, because it can be changed into another prime (27830081567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13915040768 + 13915040769.

It is an arithmetic number, because the mean of its divisors is an integer number (13915040769).

Almost surely, 2^27830081537 is an apocalyptic number.

It is an amenable number.

27830081537 is a deficient number, since it is larger than the sum of its proper divisors (1).

27830081537 is an equidigital number, since it uses as much as digits as its factorization.

27830081537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 27830081537 in words is "twenty-seven billion, eight hundred thirty million, eighty-one thousand, five hundred thirty-seven".