5136774857 has 4 divisors (see below), whose sum is σ = 5187634116. Its totient is φ = 5085915600.

The previous prime is 5136774847. The next prime is 5136774899. The reversal of 5136774857 is 7584776315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4647966976 + 488807881 = 68176^2 + 22109^2 .

It is not a de Polignac number, because 5136774857 - 2⁶ = 5136774793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5136774799 and 5136774808.

It is not an unprimeable number, because it can be changed into a prime (5136774817) 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 in 3 ways as a sum of consecutive naturals, for example, 25429478 + ... + 25429679.

It is an arithmetic number, because the mean of its divisors is an integer number (1296908529).

Almost surely, 2^5136774857 is an apocalyptic number.

It is an amenable number.

5136774857 is a deficient number, since it is larger than the sum of its proper divisors (50859259).

5136774857 is a wasteful number, since it uses less digits than its factorization.

5136774857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50859258.

The product of its digits is 4939200, while the sum is 53.

The square root of 5136774857 is about 71671.2973023371. The cubic root of 5136774857 is about 1725.4280091190.

The spelling of 5136774857 in words is "five billion, one hundred thirty-six million, seven hundred seventy-four thousand, eight hundred fifty-seven".