27670108556 has 6 divisors (see below), whose sum is σ = 48422689980. Its totient is φ = 13835054276.

The previous prime is 27670108553. The next prime is 27670108567. The reversal of 27670108556 is 65580107672.

It is a self number, because there is not a number n which added to its sum of digits gives 27670108556.

It is not an unprimeable number, because it can be changed into a prime (27670108553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3458763566 + ... + 3458763573.

It is an arithmetic number, because the mean of its divisors is an integer number (8070448330).

Almost surely, 2^27670108556 is an apocalyptic number.

It is an amenable number.

27670108556 is a deficient number, since it is larger than the sum of its proper divisors (20752581424).

27670108556 is a wasteful number, since it uses less digits than its factorization.

27670108556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6917527143 (or 6917527141 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 27670108556 in words is "twenty-seven billion, six hundred seventy million, one hundred eight thousand, five hundred fifty-six".