867889843386 has 32 divisors (see below), whose sum is σ = 1755374302080. Its totient is φ = 286031184384.

The previous prime is 867889843351. The next prime is 867889843439. The reversal of 867889843386 is 683348988768.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15662866 + ... + 15718178.

It is an arithmetic number, because the mean of its divisors is an integer number (54855446940).

Almost surely, 2^867889843386 is an apocalyptic number.

867889843386 is an abundant number, since it is smaller than the sum of its proper divisors (887484458694).

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

867889843386 is a wasteful number, since it uses less digits than its factorization.

867889843386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84790.

The product of its digits is 2675441664, while the sum is 78.

The spelling of 867889843386 in words is "eight hundred sixty-seven billion, eight hundred eighty-nine million, eight hundred forty-three thousand, three hundred eighty-six".