829968911 has 4 divisors (see below), whose sum is σ = 847627872. Its totient is φ = 812309952.

The previous prime is 829968857. The next prime is 829968943. The reversal of 829968911 is 119869928.

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

It is a cyclic number.

It is not a de Polignac number, because 829968911 - 2¹⁴ = 829952527 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 (829968991) 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, 8829410 + ... + 8829503.

It is an arithmetic number, because the mean of its divisors is an integer number (211906968).

Almost surely, 2^829968911 is an apocalyptic number.

829968911 is a deficient number, since it is larger than the sum of its proper divisors (17658961).

829968911 is a wasteful number, since it uses less digits than its factorization.

829968911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17658960.

The product of its digits is 559872, while the sum is 53.

The square root of 829968911 is about 28809.1810192515. The cubic root of 829968911 is about 939.7679036905.

The spelling of 829968911 in words is "eight hundred twenty-nine million, nine hundred sixty-eight thousand, nine hundred eleven".