867345331 has 8 divisors (see below), whose sum is σ = 874753040. Its totient is φ = 859963392.

The previous prime is 867345329. The next prime is 867345337. The reversal of 867345331 is 133543768.

867345331 is nontrivially palindromic in base 4.

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

It is a 17-Lehmer number, since φ(867345331) divides (867345331-1)¹⁷.

It is a cyclic number.

It is not a de Polignac number, because 867345331 - 2¹ = 867345329 is a prime.

It is a super-2 number, since 2×867345331² = 1504575846414999122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (867345337) 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, 64435 + ... + 76723.

It is an arithmetic number, because the mean of its divisors is an integer number (109344130).

Almost surely, 2^867345331 is an apocalyptic number.

867345331 is a deficient number, since it is larger than the sum of its proper divisors (7407709).

867345331 is a wasteful number, since it uses less digits than its factorization.

867345331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12885.

The product of its digits is 181440, while the sum is 40.

The square root of 867345331 is about 29450.7271726862. The cubic root of 867345331 is about 953.6683031435.

The spelling of 867345331 in words is "eight hundred sixty-seven million, three hundred forty-five thousand, three hundred thirty-one".