9719377872 has 40 divisors (see below), whose sum is σ = 25116904320. Its totient is φ = 3238694400.

The previous prime is 9719377841. The next prime is 9719377883. The reversal of 9719377872 is 2787739179.

9719377872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 115497 + ... + 181047.

It is an arithmetic number, because the mean of its divisors is an integer number (627922608).

Almost surely, 2^9719377872 is an apocalyptic number.

It is an amenable number.

9719377872 is an abundant number, since it is smaller than the sum of its proper divisors (15397526448).

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

9719377872 is a wasteful number, since it uses less digits than its factorization.

9719377872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68651 (or 68645 counting only the distinct ones).

The product of its digits is 9335088, while the sum is 60.

The square root of 9719377872 is about 98586.9051750789. The cubic root of 9719377872 is about 2134.0904499753.

The spelling of 9719377872 in words is "nine billion, seven hundred nineteen million, three hundred seventy-seven thousand, eight hundred seventy-two".