9879190272 has 432 divisors, whose sum is σ = 34522342400. Its totient is φ = 2816529408.

The previous prime is 9879190247. The next prime is 9879190309. The reversal of 9879190272 is 2720919789.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21337113 + ... + 21337575.

Almost surely, 2^9879190272 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 9879190272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17261171200).

9879190272 is an abundant number, since it is smaller than the sum of its proper divisors (24643152128).

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

9879190272 is an frugal number, since it uses more digits than its factorization.

9879190272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The square root of 9879190272 is about 99394.1158821789. The cubic root of 9879190272 is about 2145.7236269472.

The spelling of 9879190272 in words is "nine billion, eight hundred seventy-nine million, one hundred ninety thousand, two hundred seventy-two".