27075657673 has 2 divisors, whose sum is σ = 27075657674. Its totient is φ = 27075657672.

The previous prime is 27075657667. The next prime is 27075657731. The reversal of 27075657673 is 37675657072.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18750372624 + 8325285049 = 136932^2 + 91243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27075657673 is a prime.

It is not a weakly prime, because it can be changed into another prime (27075657773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13537828836 + 13537828837.

It is an arithmetic number, because the mean of its divisors is an integer number (13537828837).

Almost surely, 2^27075657673 is an apocalyptic number.

It is an amenable number.

27075657673 is a deficient number, since it is larger than the sum of its proper divisors (1).

27075657673 is an equidigital number, since it uses as much as digits as its factorization.

27075657673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12965400, while the sum is 55.

The spelling of 27075657673 in words is "twenty-seven billion, seventy-five million, six hundred fifty-seven thousand, six hundred seventy-three".