870855167 has 8 divisors (see below), whose sum is σ = 1071821856. Its totient is φ = 689028192.

The previous prime is 870855149. The next prime is 870855191. The reversal of 870855167 is 761558078.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 870855167 - 2¹⁸ = 870593023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870855127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4784828 + ... + 4785009.

It is an arithmetic number, because the mean of its divisors is an integer number (133977732).

Almost surely, 2^870855167 is an apocalyptic number.

870855167 is a deficient number, since it is larger than the sum of its proper divisors (200966689).

870855167 is a wasteful number, since it uses less digits than its factorization.

870855167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9569857.

The product of its (nonzero) digits is 470400, while the sum is 47.

The square root of 870855167 is about 29510.2552852394. The cubic root of 870855167 is about 954.9529565745.

The spelling of 870855167 in words is "eight hundred seventy million, eight hundred fifty-five thousand, one hundred sixty-seven".