830759219 has 4 divisors (see below), whose sum is σ = 831151560. Its totient is φ = 830366880.

The previous prime is 830759191. The next prime is 830759233. The reversal of 830759219 is 912957038.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-830759219 is a prime.

It is a super-2 number, since 2×830759219² = 1380321759906979922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 830759219.

It is not an unprimeable number, because it can be changed into a prime (830779219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192977 + ... + 197234.

It is an arithmetic number, because the mean of its divisors is an integer number (207787890).

Almost surely, 2^830759219 is an apocalyptic number.

830759219 is a deficient number, since it is larger than the sum of its proper divisors (392341).

830759219 is a wasteful number, since it uses less digits than its factorization.

830759219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392340.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 830759219 is about 28822.8940080624. The cubic root of 830759219 is about 940.0660957749.

The spelling of 830759219 in words is "eight hundred thirty million, seven hundred fifty-nine thousand, two hundred nineteen".