829390535668 has 6 divisors (see below), whose sum is σ = 1451433437426. Its totient is φ = 414695267832.

The previous prime is 829390535641. The next prime is 829390535669. The reversal of 829390535668 is 866535093928.

It can be written as a sum of positive squares in only one way, i.e., 743806203364 + 85584332304 = 862442^2 + 292548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (829390535669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103673816955 + ... + 103673816962.

Almost surely, 2^829390535668 is an apocalyptic number.

It is an amenable number.

829390535668 is a deficient number, since it is larger than the sum of its proper divisors (622042901758).

829390535668 is a wasteful number, since it uses less digits than its factorization.

829390535668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207347633921 (or 207347633919 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 64.

The spelling of 829390535668 in words is "eight hundred twenty-nine billion, three hundred ninety million, five hundred thirty-five thousand, six hundred sixty-eight".