867276172182772 has 36 divisors (see below), whose sum is σ = 1766384795038500. Its totient is φ = 371027239432960.

The previous prime is 867276172182757. The next prime is 867276172182779. The reversal of 867276172182772 is 277281271672768.

It can be written as a sum of positive squares in 2 ways, for example, as 665565904462096 + 201710267720676 = 25798564^2 + 14202474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 867276172182695 and 867276172182704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867276172182779) 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, 52702724647 + ... + 52702741102.

It is an arithmetic number, because the mean of its divisors is an integer number (49066244306625).

Almost surely, 2^{867276172182772} is an apocalyptic number.

It is an amenable number.

867276172182772 is an abundant number, since it is smaller than the sum of its proper divisors (899108622855728).

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

867276172182772 is a wasteful number, since it uses less digits than its factorization.

867276172182772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105405465792 (or 105405465779 counting only the distinct ones).

The product of its digits is 619573248, while the sum is 73.

The spelling of 867276172182772 in words is "eight hundred sixty-seven trillion, two hundred seventy-six billion, one hundred seventy-two million, one hundred eighty-two thousand, seven hundred seventy-two".