27060633857 has 2 divisors, whose sum is σ = 27060633858. Its totient is φ = 27060633856.

The previous prime is 27060633829. The next prime is 27060633869. The reversal of 27060633857 is 75833606072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18244175041 + 8816458816 = 135071^2 + 93896^2 .

It is a cyclic number.

It is not a de Polignac number, because 27060633857 - 2¹⁴ = 27060617473 is a prime.

It is a super-2 number, since 2×27060633857² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27060633827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13530316928 + 13530316929.

It is an arithmetic number, because the mean of its divisors is an integer number (13530316929).

Almost surely, 2^27060633857 is an apocalyptic number.

It is an amenable number.

27060633857 is a deficient number, since it is larger than the sum of its proper divisors (1).

27060633857 is an equidigital number, since it uses as much as digits as its factorization.

27060633857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 27060633857 in words is "twenty-seven billion, sixty million, six hundred thirty-three thousand, eight hundred fifty-seven".