2787224361 has 16 divisors (see below), whose sum is σ = 3932178240. Its totient is φ = 1751224320.

The previous prime is 2787224357. The next prime is 2787224371. The reversal of 2787224361 is 1634227872.

It is a happy number.

It is not a de Polignac number, because 2787224361 - 2² = 2787224357 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2787224371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115680 + ... + 137681.

It is an arithmetic number, because the mean of its divisors is an integer number (245761140).

Almost surely, 2^2787224361 is an apocalyptic number.

It is an amenable number.

2787224361 is a deficient number, since it is larger than the sum of its proper divisors (1144953879).

2787224361 is a wasteful number, since it uses less digits than its factorization.

2787224361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253576.

The product of its digits is 225792, while the sum is 42.

The square root of 2787224361 is about 52794.1697633366. The cubic root of 2787224361 is about 1407.3128172259.

The spelling of 2787224361 in words is "two billion, seven hundred eighty-seven million, two hundred twenty-four thousand, three hundred sixty-one".