2287821232877 has 16 divisors (see below), whose sum is σ = 2430321494832. Its totient is φ = 2146202833920.

The previous prime is 2287821232859. The next prime is 2287821232933. The reversal of 2287821232877 is 7782321287822.

2287821232877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 23897758921 + 2263923473956 = 154589^2 + 1504634^2 .

It is a cyclic number.

It is not a de Polignac number, because 2287821232877 - 2¹⁰ = 2287821231853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287821232847) 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, 60407927 + ... + 60445787.

It is an arithmetic number, because the mean of its divisors is an integer number (151895093427).

Almost surely, 2^{2287821232877} is an apocalyptic number.

It is an amenable number.

2287821232877 is a deficient number, since it is larger than the sum of its proper divisors (142500261955).

2287821232877 is a wasteful number, since it uses less digits than its factorization.

2287821232877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49408.

The product of its digits is 16859136, while the sum is 59.

Subtracting 2287821232877 from its reverse (7782321287822), we obtain a palindrome (5494500054945).

The spelling of 2287821232877 in words is "two trillion, two hundred eighty-seven billion, eight hundred twenty-one million, two hundred thirty-two thousand, eight hundred seventy-seven".