27134806986 has 48 divisors (see below), whose sum is σ = 67528656000. Its totient is φ = 7713836064.

The previous prime is 27134806981. The next prime is 27134806999. The reversal of 27134806986 is 68960843172.

27134806986 is a `hidden beast` number, since 2 + 71 + 3 + 480 + 6 + 98 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (27134806981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 516021 + ... + 566168.

It is an arithmetic number, because the mean of its divisors is an integer number (1406847000).

Almost surely, 2^27134806986 is an apocalyptic number.

27134806986 is an abundant number, since it is smaller than the sum of its proper divisors (40393849014).

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

27134806986 is a wasteful number, since it uses less digits than its factorization.

27134806986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082403 (or 1082400 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 27134806986 in words is "twenty-seven billion, one hundred thirty-four million, eight hundred six thousand, nine hundred eighty-six".