27871367266 has 16 divisors (see below), whose sum is σ = 42036301944. Its totient is φ = 13859409024.

The previous prime is 27871367263. The next prime is 27871367267. The reversal of 27871367266 is 66276317872.

It can be written as a sum of positive squares in 4 ways, for example, as 11441511225 + 16429856041 = 106965^2 + 128179^2 .

It is a super-2 number, since 2×27871367266² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27871367261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362440 + ... + 432556.

Almost surely, 2^27871367266 is an apocalyptic number.

27871367266 is a deficient number, since it is larger than the sum of its proper divisors (14164934678).

27871367266 is a wasteful number, since it uses less digits than its factorization.

27871367266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71205.

The product of its digits is 7112448, while the sum is 55.

The spelling of 27871367266 in words is "twenty-seven billion, eight hundred seventy-one million, three hundred sixty-seven thousand, two hundred sixty-six".