830330780 has 96 divisors (see below), whose sum is σ = 1888004160. Its totient is φ = 305786880.

The previous prime is 830330749. The next prime is 830330783. The reversal of 830330780 is 87033038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830330783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2619182 + ... + 2619498.

It is an arithmetic number, because the mean of its divisors is an integer number (19666710).

Almost surely, 2^830330780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 830330780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944002080).

830330780 is an abundant number, since it is smaller than the sum of its proper divisors (1057673380).

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

830330780 is a wasteful number, since it uses less digits than its factorization.

830330780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 830330780 is about 28815.4607806296. The cubic root of 830330780 is about 939.9044644117.

The spelling of 830330780 in words is "eight hundred thirty million, three hundred thirty thousand, seven hundred eighty".