27917555058 has 12 divisors (see below), whose sum is σ = 60488035998. Its totient is φ = 9305851680.

The previous prime is 27917555033. The next prime is 27917555087. The reversal of 27917555058 is 85055571972.

27917555058 is a `hidden beast` number, since 2 + 79 + 17 + 5 + 550 + 5 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27763224129 + 154330929 = 166623^2 + 12423^2 .

It is a super-2 number, since 2×27917555058² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27917554995 and 27917555013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 775487623 + ... + 775487658.

Almost surely, 2^27917555058 is an apocalyptic number.

27917555058 is an abundant number, since it is smaller than the sum of its proper divisors (32570480940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27917555058 is a wasteful number, since it uses less digits than its factorization.

27917555058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550975289 (or 1550975286 counting only the distinct ones).

The product of its (nonzero) digits is 4410000, while the sum is 54.

The spelling of 27917555058 in words is "twenty-seven billion, nine hundred seventeen million, five hundred fifty-five thousand, fifty-eight".