12504072877 has 2 divisors, whose sum is σ = 12504072878. Its totient is φ = 12504072876.

The previous prime is 12504072839. The next prime is 12504072907. The reversal of 12504072877 is 77827040521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11112111396 + 1391961481 = 105414^2 + 37309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12504072877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12504072817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6252036438 + 6252036439.

It is an arithmetic number, because the mean of its divisors is an integer number (6252036439).

Almost surely, 2^12504072877 is an apocalyptic number.

It is an amenable number.

12504072877 is a deficient number, since it is larger than the sum of its proper divisors (1).

12504072877 is an equidigital number, since it uses as much as digits as its factorization.

12504072877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 219520, while the sum is 43.

The spelling of 12504072877 in words is "twelve billion, five hundred four million, seventy-two thousand, eight hundred seventy-seven".