842747459 has 8 divisors (see below), whose sum is σ = 866385408. Its totient is φ = 819347400.

The previous prime is 842747441. The next prime is 842747473. The reversal of 842747459 is 954747248.

It is a happy number.

842747459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-842747459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842743459) 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, 52277 + ... + 66470.

It is an arithmetic number, because the mean of its divisors is an integer number (108298176).

Almost surely, 2^842747459 is an apocalyptic number.

842747459 is a deficient number, since it is larger than the sum of its proper divisors (23637949).

842747459 is a wasteful number, since it uses less digits than its factorization.

842747459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118945.

The product of its digits is 2257920, while the sum is 50.

The square root of 842747459 is about 29030.1129691223. The cubic root of 842747459 is about 944.5663805710.

The spelling of 842747459 in words is "eight hundred forty-two million, seven hundred forty-seven thousand, four hundred fifty-nine".