842716769 has 8 divisors (see below), whose sum is σ = 857166120. Its totient is φ = 828288000.

The previous prime is 842716753. The next prime is 842716781. The reversal of 842716769 is 967617248.

842716769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 269353744 + 573363025 = 16412^2 + 23945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 842716769 - 2⁴ = 842716753 is a prime.

It is a super-2 number, since 2×842716769² = 1420343105507598722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (842716789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93347 + ... + 101975.

It is an arithmetic number, because the mean of its divisors is an integer number (107145765).

Almost surely, 2^842716769 is an apocalyptic number.

It is an amenable number.

842716769 is a deficient number, since it is larger than the sum of its proper divisors (14449351).

842716769 is a wasteful number, since it uses less digits than its factorization.

842716769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10291.

The product of its digits is 1016064, while the sum is 50.

The square root of 842716769 is about 29029.5843752542. The cubic root of 842716769 is about 944.5549144654.

The spelling of 842716769 in words is "eight hundred forty-two million, seven hundred sixteen thousand, seven hundred sixty-nine".