867891356000 has 48 divisors (see below), whose sum is σ = 2132409071520. Its totient is φ = 347156540800.

The previous prime is 867891355993. The next prime is 867891356039. The reversal of 867891356000 is 653198768.

It is a happy number.

It is a super-3 number, since 3×867891356000³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108482420 + ... + 108490419.

It is an arithmetic number, because the mean of its divisors is an integer number (44425188990).

Almost surely, 2^867891356000 is an apocalyptic number.

867891356000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

867891356000 is an abundant number, since it is smaller than the sum of its proper divisors (1264517715520).

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

867891356000 is a wasteful number, since it uses less digits than its factorization.

867891356000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216972864 (or 216972846 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 867891356000 in words is "eight hundred sixty-seven billion, eight hundred ninety-one million, three hundred fifty-six thousand".