22866839392777 has 2 divisors, whose sum is σ = 22866839392778. Its totient is φ = 22866839392776.

The previous prime is 22866839392759. The next prime is 22866839392807. The reversal of 22866839392777 is 77729393866822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21149890407801 + 1716948984976 = 4598901^2 + 1310324^2 .

It is a cyclic number.

It is not a de Polignac number, because 22866839392777 - 2³⁵ = 22832479654409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22866839392697 and 22866839392706.

It is not a weakly prime, because it can be changed into another prime (22866839392277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11433419696388 + 11433419696389.

It is an arithmetic number, because the mean of its divisors is an integer number (11433419696389).

Almost surely, 2^{22866839392777} is an apocalyptic number.

It is an amenable number.

22866839392777 is a deficient number, since it is larger than the sum of its proper divisors (1).

22866839392777 is an equidigital number, since it uses as much as digits as its factorization.

22866839392777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608866304, while the sum is 79.

The spelling of 22866839392777 in words is "twenty-two trillion, eight hundred sixty-six billion, eight hundred thirty-nine million, three hundred ninety-two thousand, seven hundred seventy-seven".