830759217 has 4 divisors (see below), whose sum is σ = 1107678960. Its totient is φ = 553839476.

The previous prime is 830759191. The next prime is 830759233. The reversal of 830759217 is 712957038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 830759217 - 2⁸ = 830758961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (830759617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138459867 + ... + 138459872.

It is an arithmetic number, because the mean of its divisors is an integer number (276919740).

Almost surely, 2^830759217 is an apocalyptic number.

It is an amenable number.

830759217 is a deficient number, since it is larger than the sum of its proper divisors (276919743).

830759217 is a wasteful number, since it uses less digits than its factorization.

830759217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276919742.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 830759217 is about 28822.8939733678. The cubic root of 830759217 is about 940.0660950205.

The spelling of 830759217 in words is "eight hundred thirty million, seven hundred fifty-nine thousand, two hundred seventeen".