830561718 has 64 divisors (see below), whose sum is σ = 1969044480. Its totient is φ = 228604032.

The previous prime is 830561689. The next prime is 830561729. The reversal of 830561718 is 817165038.

830561718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×830561718² = 1379665534814223048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157468 + ... + 162656.

It is an arithmetic number, because the mean of its divisors is an integer number (30766320).

Almost surely, 2^830561718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 830561718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (984522240).

830561718 is an abundant number, since it is smaller than the sum of its proper divisors (1138482762).

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

830561718 is a wasteful number, since it uses less digits than its factorization.

830561718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 830561718 is about 28819.4676911285. The cubic root of 830561718 is about 939.9915941605.

The spelling of 830561718 in words is "eight hundred thirty million, five hundred sixty-one thousand, seven hundred eighteen".