9879501312 has 360 divisors, whose sum is σ = 31530918276. Its totient is φ = 3081535488.

The previous prime is 9879501301. The next prime is 9879501319. The reversal of 9879501312 is 2131059789.

It can be written as a sum of positive squares in 2 ways, for example, as 8466944256 + 1412557056 = 92016^2 + 37584^2 .

It is not an unprimeable number, because it can be changed into a prime (9879501319) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57106858 + ... + 57107030.

Almost surely, 2^9879501312 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 9879501312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15765459138).

9879501312 is an abundant number, since it is smaller than the sum of its proper divisors (21651416964).

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

9879501312 is an frugal number, since it uses more digits than its factorization.

9879501312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 9879501312 is about 99395.6805500118. The cubic root of 9879501312 is about 2145.7461456238.

The spelling of 9879501312 in words is "nine billion, eight hundred seventy-nine million, five hundred one thousand, three hundred twelve".