22761707893 has 4 divisors (see below), whose sum is σ = 22777637740. Its totient is φ = 22745778048.

The previous prime is 22761707873. The next prime is 22761707921. The reversal of 22761707893 is 39870716722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7672533649 + 15089174244 = 87593^2 + 122838^2 .

It is a cyclic number.

It is not a de Polignac number, because 22761707893 - 2¹⁷ = 22761576821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22761707893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22761707803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7962780 + ... + 7965637.

It is an arithmetic number, because the mean of its divisors is an integer number (5694409435).

Almost surely, 2^22761707893 is an apocalyptic number.

It is an amenable number.

22761707893 is a deficient number, since it is larger than the sum of its proper divisors (15929847).

22761707893 is a wasteful number, since it uses less digits than its factorization.

22761707893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15929846.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 22761707893 in words is "twenty-two billion, seven hundred sixty-one million, seven hundred seven thousand, eight hundred ninety-three".