9928502736 has 80 divisors (see below), whose sum is σ = 27163451904. Its totient is φ = 3118338432.

The previous prime is 9928502719. The next prime is 9928502737. The reversal of 9928502736 is 6372058299.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9928502737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6855 + ... + 141081.

Almost surely, 2^9928502736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9928502736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13581725952).

9928502736 is an abundant number, since it is smaller than the sum of its proper divisors (17234949168).

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

9928502736 is a wasteful number, since it uses less digits than its factorization.

9928502736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134328 (or 134322 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 9928502736 is about 99641.8724031218. The cubic root of 9928502736 is about 2149.2878648156.

The spelling of 9928502736 in words is "nine billion, nine hundred twenty-eight million, five hundred two thousand, seven hundred thirty-six".