27122823017 has 2 divisors, whose sum is σ = 27122823018. Its totient is φ = 27122823016.

The previous prime is 27122822999. The next prime is 27122823047. The reversal of 27122823017 is 71032822172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21241313536 + 5881509481 = 145744^2 + 76691^2 .

It is a cyclic number.

It is not a de Polignac number, because 27122823017 - 2²⁰ = 27121774441 is a prime.

It is not a weakly prime, because it can be changed into another prime (27122823047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13561411508 + 13561411509.

It is an arithmetic number, because the mean of its divisors is an integer number (13561411509).

Almost surely, 2^27122823017 is an apocalyptic number.

It is an amenable number.

27122823017 is a deficient number, since it is larger than the sum of its proper divisors (1).

27122823017 is an equidigital number, since it uses as much as digits as its factorization.

27122823017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 27122823017 in words is "twenty-seven billion, one hundred twenty-two million, eight hundred twenty-three thousand, seventeen".