23825672777 has 2 divisors, whose sum is σ = 23825672778. Its totient is φ = 23825672776.

The previous prime is 23825672753. The next prime is 23825672779. The reversal of 23825672777 is 77727652832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23776406416 + 49266361 = 154196^2 + 7019^2 .

It is a cyclic number.

It is not a de Polignac number, because 23825672777 - 2¹² = 23825668681 is a prime.

Together with 23825672779, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23825672779) 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 as a sum of consecutive naturals, namely, 11912836388 + 11912836389.

It is an arithmetic number, because the mean of its divisors is an integer number (11912836389).

Almost surely, 2^23825672777 is an apocalyptic number.

It is an amenable number.

23825672777 is a deficient number, since it is larger than the sum of its proper divisors (1).

23825672777 is an equidigital number, since it uses as much as digits as its factorization.

23825672777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13829760, while the sum is 56.

The spelling of 23825672777 in words is "twenty-three billion, eight hundred twenty-five million, six hundred seventy-two thousand, seven hundred seventy-seven".