842665898 has 16 divisors (see below), whose sum is σ = 1304707200. Its totient is φ = 407878416.

The previous prime is 842665853. The next prime is 842665909. The reversal of 842665898 is 898566248.

842665898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13886 + ... + 43337.

It is an arithmetic number, because the mean of its divisors is an integer number (81544200).

Almost surely, 2^842665898 is an apocalyptic number.

842665898 is a deficient number, since it is larger than the sum of its proper divisors (462041302).

842665898 is a wasteful number, since it uses less digits than its factorization.

842665898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57461.

The product of its digits is 6635520, while the sum is 56.

The square root of 842665898 is about 29028.7081696723. The cubic root of 842665898 is about 944.5359079136.

The spelling of 842665898 in words is "eight hundred forty-two million, six hundred sixty-five thousand, eight hundred ninety-eight".