9972547896 has 32 divisors (see below), whose sum is σ = 24994193040. Its totient is φ = 3315806208.

The previous prime is 9972547889. The next prime is 9972547901. The reversal of 9972547896 is 6987452799.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513801 + ... + 532856.

Almost surely, 2^9972547896 is an apocalyptic number.

It is an amenable number.

9972547896 is an abundant number, since it is smaller than the sum of its proper divisors (15021645144).

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

9972547896 is a wasteful number, since it uses less digits than its factorization.

9972547896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047063 (or 1047059 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 66.

The square root of 9972547896 is about 99862.6451482235. The cubic root of 9972547896 is about 2152.4614244133.

The spelling of 9972547896 in words is "nine billion, nine hundred seventy-two million, five hundred forty-seven thousand, eight hundred ninety-six".