2187097744 has 20 divisors (see below), whose sum is σ = 4563463996. Its totient is φ = 1009429632.

The previous prime is 2187097723. The next prime is 2187097747. The reversal of 2187097744 is 4477907812.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 757350400 + 1429747344 = 27520^2 + 37812^2 .

It is not an unprimeable number, because it can be changed into a prime (2187097747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5257239 + ... + 5257654.

Almost surely, 2^2187097744 is an apocalyptic number.

It is an amenable number.

2187097744 is an abundant number, since it is smaller than the sum of its proper divisors (2376366252).

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

2187097744 is a wasteful number, since it uses less digits than its factorization.

2187097744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10514914 (or 10514908 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 49.

The square root of 2187097744 is about 46766.4168394373. The cubic root of 2187097744 is about 1298.0439506075.

The spelling of 2187097744 in words is "two billion, one hundred eighty-seven million, ninety-seven thousand, seven hundred forty-four".