5105787877 has 2 divisors, whose sum is σ = 5105787878. Its totient is φ = 5105787876.

The previous prime is 5105787859. The next prime is 5105787881. The reversal of 5105787877 is 7787875015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2675889441 + 2429898436 = 51729^2 + 49294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5105787877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5105787847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552893938 + 2552893939.

It is an arithmetic number, because the mean of its divisors is an integer number (2552893939).

Almost surely, 2^5105787877 is an apocalyptic number.

It is an amenable number.

5105787877 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105787877 is an equidigital number, since it uses as much as digits as its factorization.

5105787877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3841600, while the sum is 55.

The square root of 5105787877 is about 71454.7960391743. The cubic root of 5105787877 is about 1721.9515298662.

The spelling of 5105787877 in words is "five billion, one hundred five million, seven hundred eighty-seven thousand, eight hundred seventy-seven".