27028792117 has 2 divisors, whose sum is σ = 27028792118. Its totient is φ = 27028792116.

The previous prime is 27028792013. The next prime is 27028792127. The reversal of 27028792117 is 71129782072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26110035396 + 918756721 = 161586^2 + 30311^2 .

It is a cyclic number.

It is not a de Polignac number, because 27028792117 - 2¹¹ = 27028790069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27028792127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13514396058 + 13514396059.

It is an arithmetic number, because the mean of its divisors is an integer number (13514396059).

Almost surely, 2^27028792117 is an apocalyptic number.

It is an amenable number.

27028792117 is a deficient number, since it is larger than the sum of its proper divisors (1).

27028792117 is an equidigital number, since it uses as much as digits as its factorization.

27028792117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 46.

It can be divided in two parts, 270287 and 92117, that added together give a square (362404 = 602²).

The spelling of 27028792117 in words is "twenty-seven billion, twenty-eight million, seven hundred ninety-two thousand, one hundred seventeen".