27732118612 has 24 divisors (see below), whose sum is σ = 53049276000. Its totient is φ = 12580236960.

The previous prime is 27732118577. The next prime is 27732118651. The reversal of 27732118612 is 21681123772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609583 + ... + 653494.

It is an arithmetic number, because the mean of its divisors is an integer number (2210386500).

Almost surely, 2^27732118612 is an apocalyptic number.

27732118612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27732118612 is a deficient number, since it is larger than the sum of its proper divisors (25317157388).

27732118612 is a wasteful number, since it uses less digits than its factorization.

27732118612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263591 (or 1263589 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The spelling of 27732118612 in words is "twenty-seven billion, seven hundred thirty-two million, one hundred eighteen thousand, six hundred twelve".