27079910747677 has 2 divisors, whose sum is σ = 27079910747678. Its totient is φ = 27079910747676.

The previous prime is 27079910747663. The next prime is 27079910747711. The reversal of 27079910747677 is 77674701997072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24093283897081 + 2986626850596 = 4908491^2 + 1728186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27079910747677 is a prime.

It is a super-2 number, since 2×27079910747677² (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 (27079910747647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13539955373838 + 13539955373839.

It is an arithmetic number, because the mean of its divisors is an integer number (13539955373839).

Almost surely, 2^{27079910747677} is an apocalyptic number.

It is an amenable number.

27079910747677 is a deficient number, since it is larger than the sum of its proper divisors (1).

27079910747677 is an equidigital number, since it uses as much as digits as its factorization.

27079910747677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 457419312, while the sum is 73.

The spelling of 27079910747677 in words is "twenty-seven trillion, seventy-nine billion, nine hundred ten million, seven hundred forty-seven thousand, six hundred seventy-seven".