27713217636 has 48 divisors (see below), whose sum is σ = 77375939200. Its totient is φ = 8527143456.

The previous prime is 27713217629. The next prime is 27713217667. The reversal of 27713217636 is 63671231772.

27713217636 is a `hidden beast` number, since 2 + 7 + 7 + 1 + 3 + 2 + 1 + 7 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 27713217591 and 27713217600.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9867976 + ... + 9870783.

Almost surely, 2^27713217636 is an apocalyptic number.

27713217636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27713217636 is an abundant number, since it is smaller than the sum of its proper divisors (49662721564).

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

27713217636 is a wasteful number, since it uses less digits than its factorization.

27713217636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19738785 (or 19738777 counting only the distinct ones).

The product of its digits is 444528, while the sum is 45.

The spelling of 27713217636 in words is "twenty-seven billion, seven hundred thirteen million, two hundred seventeen thousand, six hundred thirty-six".