830669605 has 4 divisors (see below), whose sum is σ = 996803532. Its totient is φ = 664535680.

The previous prime is 830669603. The next prime is 830669611. The reversal of 830669605 is 506966038.

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

It can be written as a sum of positive squares in 2 ways, for example, as 137874564 + 692795041 = 11742^2 + 26321^2 .

It is not a de Polignac number, because 830669605 - 2¹ = 830669603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830669603) 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, 83066956 + ... + 83066965.

It is an arithmetic number, because the mean of its divisors is an integer number (249200883).

Almost surely, 2^830669605 is an apocalyptic number.

It is an amenable number.

830669605 is a deficient number, since it is larger than the sum of its proper divisors (166133927).

830669605 is a wasteful number, since it uses less digits than its factorization.

830669605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166133926.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 830669605 is about 28821.3394032963. The cubic root of 830669605 is about 940.0322929150.

The spelling of 830669605 in words is "eight hundred thirty million, six hundred sixty-nine thousand, six hundred five".