842987718 has 48 divisors (see below), whose sum is σ = 1894885200. Its totient is φ = 270527040.

The previous prime is 842987707. The next prime is 842987753. The reversal of 842987718 is 817789248.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 195708 + ... + 199968.

It is an arithmetic number, because the mean of its divisors is an integer number (39476775).

Almost surely, 2^842987718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842987718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (947442600).

842987718 is an abundant number, since it is smaller than the sum of its proper divisors (1051897482).

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

842987718 is a wasteful number, since it uses less digits than its factorization.

842987718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4677 (or 4674 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 54.

The square root of 842987718 is about 29034.2507738705. The cubic root of 842987718 is about 944.6561342328.

The spelling of 842987718 in words is "eight hundred forty-two million, nine hundred eighty-seven thousand, seven hundred eighteen".