5045987857 has 2 divisors, whose sum is σ = 5045987858. Its totient is φ = 5045987856.

The previous prime is 5045987761. The next prime is 5045987867. The reversal of 5045987857 is 7587895405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4995521041 + 50466816 = 70679^2 + 7104^2 .

It is a cyclic number.

It is not a de Polignac number, because 5045987857 - 2⁷ = 5045987729 is a prime.

It is not a weakly prime, because it can be changed into another prime (5045987867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2522993928 + 2522993929.

It is an arithmetic number, because the mean of its divisors is an integer number (2522993929).

Almost surely, 2^5045987857 is an apocalyptic number.

It is an amenable number.

5045987857 is a deficient number, since it is larger than the sum of its proper divisors (1).

5045987857 is an equidigital number, since it uses as much as digits as its factorization.

5045987857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112000, while the sum is 58.

The square root of 5045987857 is about 71035.1170689540. The cubic root of 5045987857 is about 1715.2024973744.

The spelling of 5045987857 in words is "five billion, forty-five million, nine hundred eighty-seven thousand, eight hundred fifty-seven".