27628116788 has 6 divisors (see below), whose sum is σ = 48349204386. Its totient is φ = 13814058392.

The previous prime is 27628116743. The next prime is 27628116799. The reversal of 27628116788 is 88761182672.

It can be written as a sum of positive squares in only one way, i.e., 26408850064 + 1219266724 = 162508^2 + 34918^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3453514595 + ... + 3453514602.

It is an arithmetic number, because the mean of its divisors is an integer number (8058200731).

Almost surely, 2^27628116788 is an apocalyptic number.

It is an amenable number.

27628116788 is a deficient number, since it is larger than the sum of its proper divisors (20721087598).

27628116788 is a wasteful number, since it uses less digits than its factorization.

27628116788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6907029201 (or 6907029199 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 56.

The spelling of 27628116788 in words is "twenty-seven billion, six hundred twenty-eight million, one hundred sixteen thousand, seven hundred eighty-eight".