870829329 has 8 divisors (see below), whose sum is σ = 1161275200. Its totient is φ = 580468176.

The previous prime is 870829327. The next prime is 870829331. The reversal of 870829329 is 923928078.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (870829327) and next prime (870829331).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 870829329 - 2¹ = 870829327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870829327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8919 + ... + 42675.

It is an arithmetic number, because the mean of its divisors is an integer number (145159400).

Almost surely, 2^870829329 is an apocalyptic number.

It is an amenable number.

870829329 is a deficient number, since it is larger than the sum of its proper divisors (290445871).

870829329 is a wasteful number, since it uses less digits than its factorization.

870829329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42359.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 870829329 is about 29509.8175019772. The cubic root of 870829329 is about 954.9435120961.

The spelling of 870829329 in words is "eight hundred seventy million, eight hundred twenty-nine thousand, three hundred twenty-nine".