23749074977 has 2 divisors, whose sum is σ = 23749074978. Its totient is φ = 23749074976.

The previous prime is 23749074959. The next prime is 23749074989. The reversal of 23749074977 is 77947094732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22211729296 + 1537345681 = 149036^2 + 39209^2 .

It is a cyclic number.

It is not a de Polignac number, because 23749074977 - 2¹⁶ = 23749009441 is a prime.

It is not a weakly prime, because it can be changed into another prime (23749074677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11874537488 + 11874537489.

It is an arithmetic number, because the mean of its divisors is an integer number (11874537489).

Almost surely, 2^23749074977 is an apocalyptic number.

It is an amenable number.

23749074977 is a deficient number, since it is larger than the sum of its proper divisors (1).

23749074977 is an equidigital number, since it uses as much as digits as its factorization.

23749074977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18670176, while the sum is 59.

The spelling of 23749074977 in words is "twenty-three billion, seven hundred forty-nine million, seventy-four thousand, nine hundred seventy-seven".