188948896717 has 40 divisors (see below), whose sum is σ = 224485226272. Its totient is φ = 158985439200.

The previous prime is 188948896709. The next prime is 188948896769. The reversal of 188948896717 is 717698849881.

It is not a de Polignac number, because 188948896717 - 2³ = 188948896709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188948897717) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 101203618 + ... + 101205484.

Almost surely, 2^188948896717 is an apocalyptic number.

It is an amenable number.

188948896717 is a deficient number, since it is larger than the sum of its proper divisors (35536329555).

188948896717 is an frugal number, since it uses more digits than its factorization.

188948896717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647 (or 2626 counting only the distinct ones).

The product of its digits is 390168576, while the sum is 76.

The spelling of 188948896717 in words is "one hundred eighty-eight billion, nine hundred forty-eight million, eight hundred ninety-six thousand, seven hundred seventeen".