9744987380 has 12 divisors (see below), whose sum is σ = 20464473540. Its totient is φ = 3897994944.

The previous prime is 9744987347. The next prime is 9744987389. The reversal of 9744987380 is 837894479.

It can be written as a sum of positive squares in 2 ways, for example, as 3772170724 + 5972816656 = 61418^2 + 77284^2 .

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9744987389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243624665 + ... + 243624704.

It is an arithmetic number, because the mean of its divisors is an integer number (1705372795).

Almost surely, 2^9744987380 is an apocalyptic number.

It is an amenable number.

9744987380 is an abundant number, since it is smaller than the sum of its proper divisors (10719486160).

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

9744987380 is a wasteful number, since it uses less digits than its factorization.

9744987380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487249378 (or 487249376 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 59.

The square root of 9744987380 is about 98716.7026394217. The cubic root of 9744987380 is about 2135.9631718624.

The spelling of 9744987380 in words is "nine billion, seven hundred forty-four million, nine hundred eighty-seven thousand, three hundred eighty".