27527780506 has 32 divisors (see below), whose sum is σ = 44162173440. Its totient is φ = 12837941424.

The previous prime is 27527780471. The next prime is 27527780543. The reversal of 27527780506 is 60508772572.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 27527780506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1213141 + ... + 1235623.

It is an arithmetic number, because the mean of its divisors is an integer number (1380067920).

Almost surely, 2^27527780506 is an apocalyptic number.

27527780506 is a deficient number, since it is larger than the sum of its proper divisors (16634392934).

27527780506 is a wasteful number, since it uses less digits than its factorization.

27527780506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23170.

The product of its (nonzero) digits is 1646400, while the sum is 49.

The spelling of 27527780506 in words is "twenty-seven billion, five hundred twenty-seven million, seven hundred eighty thousand, five hundred six".