867796155 has 12 divisors (see below), whose sum is σ = 1504180080. Its totient is φ = 462824592.

The previous prime is 867796147. The next prime is 867796243. The reversal of 867796155 is 551697768.

It is not a de Polignac number, because 867796155 - 2³ = 867796147 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 9642135 + ... + 9642224.

It is an arithmetic number, because the mean of its divisors is an integer number (125348340).

Almost surely, 2^867796155 is an apocalyptic number.

867796155 is a deficient number, since it is larger than the sum of its proper divisors (636383925).

867796155 is a wasteful number, since it uses less digits than its factorization.

867796155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19284370 (or 19284367 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The square root of 867796155 is about 29458.3800471105. The cubic root of 867796155 is about 953.8335053512.

The spelling of 867796155 in words is "eight hundred sixty-seven million, seven hundred ninety-six thousand, one hundred fifty-five".