842804669 has 8 divisors (see below), whose sum is σ = 963587328. Its totient is φ = 722117520.

The previous prime is 842804647. The next prime is 842804681. The reversal of 842804669 is 966408248.

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 842804669 - 2²⁴ = 826027453 is a prime.

It is a super-2 number, since 2×842804669² = 1420639420176399122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842804629) 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 7 ways as a sum of consecutive naturals, for example, 3842 + ... + 41235.

It is an arithmetic number, because the mean of its divisors is an integer number (120448416).

Almost surely, 2^842804669 is an apocalyptic number.

It is an amenable number.

842804669 is a deficient number, since it is larger than the sum of its proper divisors (120782659).

842804669 is a wasteful number, since it uses less digits than its factorization.

842804669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47755.

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 842804669 is about 29031.0983085380. The cubic root of 842804669 is about 944.5877540835.

The spelling of 842804669 in words is "eight hundred forty-two million, eight hundred four thousand, six hundred sixty-nine".