830458780 has 36 divisors (see below), whose sum is σ = 1760402952. Its totient is φ = 329062240.

The previous prime is 830458771. The next prime is 830458781. The reversal of 830458780 is 87854038.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830458781) 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 11 ways as a sum of consecutive naturals, for example, 1474779 + ... + 1475341.

It is an arithmetic number, because the mean of its divisors is an integer number (48900082).

Almost surely, 2^830458780 is an apocalyptic number.

It is an amenable number.

830458780 is an abundant number, since it is smaller than the sum of its proper divisors (929944172).

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

830458780 is a wasteful number, since it uses less digits than its factorization.

830458780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 830458780 is about 28817.6817249410. The cubic root of 830458780 is about 939.9527590564.

The spelling of 830458780 in words is "eight hundred thirty million, four hundred fifty-eight thousand, seven hundred eighty".