17928006768 has 60 divisors (see below), whose sum is σ = 57341167728. Its totient is φ = 5122287360.

The previous prime is 17928006749. The next prime is 17928006779. The reversal of 17928006768 is 86760082971.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8891853 + ... + 8893868.

Almost surely, 2^17928006768 is an apocalyptic number.

17928006768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

17928006768 is an abundant number, since it is smaller than the sum of its proper divisors (39413160960).

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

17928006768 is a wasteful number, since it uses less digits than its factorization.

17928006768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17785742 (or 17785733 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 17928006768 in words is "seventeen billion, nine hundred twenty-eight million, six thousand, seven hundred sixty-eight".