867773161728 has 108 divisors (see below), whose sum is σ = 2729458940208. Its totient is φ = 262961556480.

The previous prime is 867773161681. The next prime is 867773161741. The reversal of 867773161728 is 827161377768.

867773161728 is a `hidden beast` number, since 8 + 6 + 7 + 7 + 7 + 3 + 1 + 617 + 2 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17094550 + ... + 17145237.

Almost surely, 2^867773161728 is an apocalyptic number.

867773161728 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

867773161728 is an abundant number, since it is smaller than the sum of its proper divisors (1861685778480).

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

867773161728 is a wasteful number, since it uses less digits than its factorization.

867773161728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34239820 (or 34239803 counting only the distinct ones).

The product of its digits is 33191424, while the sum is 63.

The spelling of 867773161728 in words is "eight hundred sixty-seven billion, seven hundred seventy-three million, one hundred sixty-one thousand, seven hundred twenty-eight".