27036623377 has 2 divisors, whose sum is σ = 27036623378. Its totient is φ = 27036623376.

The previous prime is 27036623351. The next prime is 27036623389. The reversal of 27036623377 is 77332663072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16422678801 + 10613944576 = 128151^2 + 103024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27036623377 is a prime.

It is a super-4 number, since 4×27036623377⁴ (a number of 43 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (27036623177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13518311688 + 13518311689.

It is an arithmetic number, because the mean of its divisors is an integer number (13518311689).

Almost surely, 2^27036623377 is an apocalyptic number.

It is an amenable number.

27036623377 is a deficient number, since it is larger than the sum of its proper divisors (1).

27036623377 is an equidigital number, since it uses as much as digits as its factorization.

27036623377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 46.

The spelling of 27036623377 in words is "twenty-seven billion, thirty-six million, six hundred twenty-three thousand, three hundred seventy-seven".