9879137744 has 120 divisors (see below), whose sum is σ = 23297258880. Its totient is φ = 4038811392.

The previous prime is 9879137743. The next prime is 9879137771. The reversal of 9879137744 is 4477319789.

It is a super-3 number, since 3×9879137744³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9879137743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11774477 + ... + 11775315.

It is an arithmetic number, because the mean of its divisors is an integer number (194143824).

Almost surely, 2^9879137744 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 9879137744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11648629440).

9879137744 is an abundant number, since it is smaller than the sum of its proper divisors (13418121136).

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

9879137744 is a wasteful number, since it uses less digits than its factorization.

9879137744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537 (or 1524 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 59.

The square root of 9879137744 is about 99393.8516408334. The cubic root of 9879137744 is about 2145.7198239779.

The spelling of 9879137744 in words is "nine billion, eight hundred seventy-nine million, one hundred thirty-seven thousand, seven hundred forty-four".