842016825 has 144 divisors (see below), whose sum is σ = 1737736000. Its totient is φ = 386311680.

The previous prime is 842016701. The next prime is 842016829. The reversal of 842016825 is 528610248.

It is not a de Polignac number, because 842016825 - 2⁷ = 842016697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 842016825.

It is not an unprimeable number, because it can be changed into a prime (842016829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6057606 + ... + 6057744.

Almost surely, 2^842016825 is an apocalyptic number.

It is an amenable number.

842016825 is an abundant number, since it is smaller than the sum of its proper divisors (895719175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

842016825 is a wasteful number, since it uses less digits than its factorization.

842016825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 842016825 is about 29017.5261695411. The cubic root of 842016825 is about 944.2933324425.

The spelling of 842016825 in words is "eight hundred forty-two million, sixteen thousand, eight hundred twenty-five".