27550028039 has 2 divisors, whose sum is σ = 27550028040. Its totient is φ = 27550028038.

The previous prime is 27550028027. The next prime is 27550028057. The reversal of 27550028039 is 93082005572.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27550028039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27550027987 and 27550028005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27550028089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13775014019 + 13775014020.

It is an arithmetic number, because the mean of its divisors is an integer number (13775014020).

Almost surely, 2^27550028039 is an apocalyptic number.

27550028039 is a deficient number, since it is larger than the sum of its proper divisors (1).

27550028039 is an equidigital number, since it uses as much as digits as its factorization.

27550028039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 27550028039 in words is "twenty-seven billion, five hundred fifty million, twenty-eight thousand, thirty-nine".