870345329 has 8 divisors (see below), whose sum is σ = 1005857280. Its totient is φ = 737627616.

The previous prime is 870345319. The next prime is 870345337. The reversal of 870345329 is 923543078.

870345329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 870345329 - 2¹² = 870341233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870345319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697889 + ... + 699134.

It is an arithmetic number, because the mean of its divisors is an integer number (125732160).

Almost surely, 2^870345329 is an apocalyptic number.

870345329 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

870345329 is a deficient number, since it is larger than the sum of its proper divisors (135511951).

870345329 is a wasteful number, since it uses less digits than its factorization.

870345329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397119.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 870345329 is about 29501.6157015171. The cubic root of 870345329 is about 954.7665626455.

The spelling of 870345329 in words is "eight hundred seventy million, three hundred forty-five thousand, three hundred twenty-nine".