27077061019669 has 2 divisors, whose sum is σ = 27077061019670. Its totient is φ = 27077061019668.

The previous prime is 27077061019663. The next prime is 27077061019727. The reversal of 27077061019669 is 96691016077072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18320711272900 + 8756349746769 = 4280270^2 + 2959113^2 .

It is a cyclic number.

It is not a de Polignac number, because 27077061019669 - 2²⁵ = 27077027465237 is a prime.

It is a super-2 number, since 2×27077061019669² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27077061019663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13538530509834 + 13538530509835.

It is an arithmetic number, because the mean of its divisors is an integer number (13538530509835).

Almost surely, 2^{27077061019669} is an apocalyptic number.

It is an amenable number.

27077061019669 is a deficient number, since it is larger than the sum of its proper divisors (1).

27077061019669 is an equidigital number, since it uses as much as digits as its factorization.

27077061019669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12002256, while the sum is 61.

The spelling of 27077061019669 in words is "twenty-seven trillion, seventy-seven billion, sixty-one million, nineteen thousand, six hundred sixty-nine".