27788658036 has 48 divisors (see below), whose sum is σ = 66129799680. Its totient is φ = 9079565920.

The previous prime is 27788657969. The next prime is 27788658049. The reversal of 27788658036 is 63085688772.

It is a congruent number.

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, 189121 + ... + 302231.

It is an arithmetic number, because the mean of its divisors is an integer number (1377704160).

Almost surely, 2^27788658036 is an apocalyptic number.

It is an amenable number.

27788658036 is an abundant number, since it is smaller than the sum of its proper divisors (38341141644).

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

27788658036 is a wasteful number, since it uses less digits than its factorization.

27788658036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113524 (or 113522 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 27788658036 in words is "twenty-seven billion, seven hundred eighty-eight million, six hundred fifty-eight thousand, thirty-six".