867789164 has 18 divisors (see below), whose sum is σ = 1657061532. Its totient is φ = 394360800.

The previous prime is 867789133. The next prime is 867789187. The reversal of 867789164 is 461987768.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 193184 + ... + 197624.

It is an arithmetic number, because the mean of its divisors is an integer number (92058974).

Almost surely, 2^867789164 is an apocalyptic number.

It is an amenable number.

867789164 is a deficient number, since it is larger than the sum of its proper divisors (789272368).

867789164 is an equidigital number, since it uses as much as digits as its factorization.

867789164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8897 (or 4454 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 56.

The square root of 867789164 is about 29458.2613879367. The cubic root of 867789164 is about 953.8309439709.

The spelling of 867789164 in words is "eight hundred sixty-seven million, seven hundred eighty-nine thousand, one hundred sixty-four".