830868697 has 4 divisors (see below), whose sum is σ = 830928820. Its totient is φ = 830808576.

The previous prime is 830868691. The next prime is 830868719. The reversal of 830868697 is 796868038.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 344622096 + 486246601 = 18564^2 + 22051^2 .

It is a cyclic number.

It is not a de Polignac number, because 830868697 - 2²³ = 822480089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (830868691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233 + ... + 40825.

It is an arithmetic number, because the mean of its divisors is an integer number (207732205).

Almost surely, 2^830868697 is an apocalyptic number.

830868697 is the 15408-th centered heptagonal number.

It is an amenable number.

830868697 is a deficient number, since it is larger than the sum of its proper divisors (60123).

830868697 is a wasteful number, since it uses less digits than its factorization.

830868697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60122.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The square root of 830868697 is about 28824.7930955280. The cubic root of 830868697 is about 940.1073881386.

The spelling of 830868697 in words is "eight hundred thirty million, eight hundred sixty-eight thousand, six hundred ninety-seven".