5122857769 has 4 divisors (see below), whose sum is σ = 5123297680. Its totient is φ = 5122417860.

The previous prime is 5122857739. The next prime is 5122857821. The reversal of 5122857769 is 9677582215.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5122857769 - 2⁵ = 5122857737 is a prime.

It is a super-2 number, since 2×5122857769² = 52487343442807314722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5122857739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201999 + ... + 225940.

It is an arithmetic number, because the mean of its divisors is an integer number (1280824420).

Almost surely, 2^5122857769 is an apocalyptic number.

It is an amenable number.

5122857769 is a deficient number, since it is larger than the sum of its proper divisors (439911).

5122857769 is a wasteful number, since it uses less digits than its factorization.

5122857769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439910.

The product of its digits is 2116800, while the sum is 52.

The square root of 5122857769 is about 71574.1417622314. The cubic root of 5122857769 is about 1723.8683630422.

The spelling of 5122857769 in words is "five billion, one hundred twenty-two million, eight hundred fifty-seven thousand, seven hundred sixty-nine".