27887915039 has 2 divisors, whose sum is σ = 27887915040. Its totient is φ = 27887915038.

The previous prime is 27887914997. The next prime is 27887915051. The reversal of 27887915039 is 93051978872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27887915039 - 2¹⁶ = 27887849503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27887915059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13943957519 + 13943957520.

It is an arithmetic number, because the mean of its divisors is an integer number (13943957520).

Almost surely, 2^27887915039 is an apocalyptic number.

27887915039 is a deficient number, since it is larger than the sum of its proper divisors (1).

27887915039 is an equidigital number, since it uses as much as digits as its factorization.

27887915039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The spelling of 27887915039 in words is "twenty-seven billion, eight hundred eighty-seven million, nine hundred fifteen thousand, thirty-nine".