867842568 has 48 divisors (see below), whose sum is σ = 2373246720. Its totient is φ = 286469856.

The previous prime is 867842567. The next prime is 867842593. The reversal of 867842568 is 865248768.

867842568 is a `hidden beast` number, since 8 + 6 + 78 + 4 + 2 + 568 = 666.

It is not an unprimeable number, because it can be changed into a prime (867842561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51096 + ... + 65927.

It is an arithmetic number, because the mean of its divisors is an integer number (49442640).

Almost surely, 2^867842568 is an apocalyptic number.

It is an amenable number.

867842568 is an abundant number, since it is smaller than the sum of its proper divisors (1505404152).

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

867842568 is a wasteful number, since it uses less digits than its factorization.

867842568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117138 (or 117131 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The square root of 867842568 is about 29459.1678090200. The cubic root of 867842568 is about 953.8505099150.

The spelling of 867842568 in words is "eight hundred sixty-seven million, eight hundred forty-two thousand, five hundred sixty-eight".