864071339 has 4 divisors (see below), whose sum is σ = 891944640. Its totient is φ = 836198040.

The previous prime is 864071321. The next prime is 864071371. The reversal of 864071339 is 933170468.

864071339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 864071339 - 2⁸ = 864071083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 864071296 and 864071305.

It is not an unprimeable number, because it can be changed into a prime (864071389) 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, 13936604 + ... + 13936665.

It is an arithmetic number, because the mean of its divisors is an integer number (222986160).

Almost surely, 2^864071339 is an apocalyptic number.

864071339 is a deficient number, since it is larger than the sum of its proper divisors (27873301).

864071339 is a wasteful number, since it uses less digits than its factorization.

864071339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27873300.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 864071339 is about 29395.0903893831. The cubic root of 864071339 is about 952.4668442566.

The spelling of 864071339 in words is "eight hundred sixty-four million, seventy-one thousand, three hundred thirty-nine".