9747399480 has 576 divisors, whose sum is σ = 39068684640. Its totient is φ = 1932263424.

The previous prime is 9747399461. The next prime is 9747399521. The reversal of 9747399480 is 849937479.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 16892952 + ... + 16893528.

Almost surely, 2^9747399480 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 9747399480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19534342320).

9747399480 is an abundant number, since it is smaller than the sum of its proper divisors (29321285160).

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

9747399480 is a wasteful number, since it uses less digits than its factorization.

9747399480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 60.

The square root of 9747399480 is about 98728.9191675874. The cubic root of 9747399480 is about 2136.1393900395.

The spelling of 9747399480 in words is "nine billion, seven hundred forty-seven million, three hundred ninety-nine thousand, four hundred eighty".