23877788749 has 2 divisors, whose sum is σ = 23877788750. Its totient is φ = 23877788748.

The previous prime is 23877788681. The next prime is 23877788797. The reversal of 23877788749 is 94788777832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20709224649 + 3168564100 = 143907^2 + 56290^2 .

It is a cyclic number.

It is not a de Polignac number, because 23877788749 - 2¹¹ = 23877786701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23877788149) 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, 11938894374 + 11938894375.

It is an arithmetic number, because the mean of its divisors is an integer number (11938894375).

Almost surely, 2^23877788749 is an apocalyptic number.

It is an amenable number.

23877788749 is a deficient number, since it is larger than the sum of its proper divisors (1).

23877788749 is an equidigital number, since it uses as much as digits as its factorization.

23877788749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 265531392, while the sum is 70.

The spelling of 23877788749 in words is "twenty-three billion, eight hundred seventy-seven million, seven hundred eighty-eight thousand, seven hundred forty-nine".