867796213 has 4 divisors (see below), whose sum is σ = 868209408. Its totient is φ = 867383020.

The previous prime is 867796147. The next prime is 867796243. The reversal of 867796213 is 312697768.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 867796213 - 2⁹ = 867795701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867796243) 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 3 ways as a sum of consecutive naturals, for example, 203431 + ... + 207652.

It is an arithmetic number, because the mean of its divisors is an integer number (217052352).

Almost surely, 2^867796213 is an apocalyptic number.

It is an amenable number.

867796213 is a deficient number, since it is larger than the sum of its proper divisors (413195).

867796213 is a wasteful number, since it uses less digits than its factorization.

867796213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413194.

The product of its digits is 762048, while the sum is 49.

The square root of 867796213 is about 29458.3810315503. The cubic root of 867796213 is about 953.8335266013.

The spelling of 867796213 in words is "eight hundred sixty-seven million, seven hundred ninety-six thousand, two hundred thirteen".