867949170 has 64 divisors (see below), whose sum is σ = 2279892096. Its totient is φ = 209722880.

The previous prime is 867949163. The next prime is 867949171. The reversal of 867949170 is 71949768.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (867949171) 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 31 ways as a sum of consecutive naturals, for example, 100462 + ... + 108758.

It is an arithmetic number, because the mean of its divisors is an integer number (35623314).

Almost surely, 2^867949170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 867949170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139946048).

867949170 is an abundant number, since it is smaller than the sum of its proper divisors (1411942926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

867949170 is a wasteful number, since it uses less digits than its factorization.

867949170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8635.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 867949170 is about 29460.9770713736. The cubic root of 867949170 is about 953.8895639296.

The spelling of 867949170 in words is "eight hundred sixty-seven million, nine hundred forty-nine thousand, one hundred seventy".