27087169480369 has 2 divisors, whose sum is σ = 27087169480370. Its totient is φ = 27087169480368.

The previous prime is 27087169480363. The next prime is 27087169480439. The reversal of 27087169480369 is 96308496178072.

It is a happy number.

It is an a-pointer prime, because the next prime (27087169480439) can be obtained adding 27087169480369 to its sum of digits (70).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20923305640000 + 6163863840369 = 4574200^2 + 2482713^2 .

It is a cyclic number.

It is not a de Polignac number, because 27087169480369 - 2²⁷ = 27087035262641 is a prime.

It is a super-2 number, since 2×27087169480369² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27087169480298 and 27087169480307.

It is not a weakly prime, because it can be changed into another prime (27087169480363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13543584740184 + 13543584740185.

It is an arithmetic number, because the mean of its divisors is an integer number (13543584740185).

Almost surely, 2^{27087169480369} is an apocalyptic number.

It is an amenable number.

27087169480369 is a deficient number, since it is larger than the sum of its proper divisors (1).

27087169480369 is an equidigital number, since it uses as much as digits as its factorization.

27087169480369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 219469824, while the sum is 70.

The spelling of 27087169480369 in words is "twenty-seven trillion, eighty-seven billion, one hundred sixty-nine million, four hundred eighty thousand, three hundred sixty-nine".