867741872816 has 80 divisors (see below), whose sum is σ = 2070685634304. Its totient is φ = 343041115392.

The previous prime is 867741872759. The next prime is 867741872861. The reversal of 867741872816 is 618278147768.

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, 1868891 + ... + 2286533.

Almost surely, 2^867741872816 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 867741872816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1035342817152).

867741872816 is an abundant number, since it is smaller than the sum of its proper divisors (1202943761488).

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

867741872816 is a wasteful number, since it uses less digits than its factorization.

867741872816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419098 (or 419092 counting only the distinct ones).

The product of its digits is 50577408, while the sum is 65.

The spelling of 867741872816 in words is "eight hundred sixty-seven billion, seven hundred forty-one million, eight hundred seventy-two thousand, eight hundred sixteen".