867233971 has 4 divisors (see below), whose sum is σ = 918247752. Its totient is φ = 816220192.

The previous prime is 867233947. The next prime is 867233987. The reversal of 867233971 is 179332768.

It is a happy number.

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 867233971 - 2⁹ = 867233459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (867233671) 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, 25506865 + ... + 25506898.

It is an arithmetic number, because the mean of its divisors is an integer number (229561938).

Almost surely, 2^867233971 is an apocalyptic number.

867233971 is a deficient number, since it is larger than the sum of its proper divisors (51013781).

867233971 is a wasteful number, since it uses less digits than its factorization.

867233971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51013780.

The product of its digits is 381024, while the sum is 46.

The square root of 867233971 is about 29448.8364965409. The cubic root of 867233971 is about 953.6274870103.

The spelling of 867233971 in words is "eight hundred sixty-seven million, two hundred thirty-three thousand, nine hundred seventy-one".