867137251312 has 80 divisors (see below), whose sum is σ = 1743513408000. Its totient is φ = 417295307520.

The previous prime is 867137251301. The next prime is 867137251313. The reversal of 867137251312 is 213152731768.

It is a super-2 number, since 2×867137251312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867137251313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225404173 + ... + 225408019.

It is an arithmetic number, because the mean of its divisors is an integer number (21793917600).

Almost surely, 2^867137251312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 867137251312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871756704000).

867137251312 is an abundant number, since it is smaller than the sum of its proper divisors (876376156688).

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

867137251312 is a wasteful number, since it uses less digits than its factorization.

867137251312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5294 (or 5288 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The spelling of 867137251312 in words is "eight hundred sixty-seven billion, one hundred thirty-seven million, two hundred fifty-one thousand, three hundred twelve".