867741144 has 32 divisors (see below), whose sum is σ = 2170176000. Its totient is φ = 289137312.

The previous prime is 867741139. The next prime is 867741151. The reversal of 867741144 is 441147768.

It is a junction number, because it is equal to n+sod(n) for n = 867741096 and 867741105.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 80337 + ... + 90495.

It is an arithmetic number, because the mean of its divisors is an integer number (67818000).

Almost surely, 2^867741144 is an apocalyptic number.

It is an amenable number.

867741144 is an abundant number, since it is smaller than the sum of its proper divisors (1302434856).

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

867741144 is a wasteful number, since it uses less digits than its factorization.

867741144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13727 (or 13723 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 867741144 is about 29457.4463251654. The cubic root of 867741144 is about 953.8133499098.

The spelling of 867741144 in words is "eight hundred sixty-seven million, seven hundred forty-one thousand, one hundred forty-four".