871368654 has 96 divisors (see below), whose sum is σ = 1979730144. Its totient is φ = 253992960.

The previous prime is 871368637. The next prime is 871368679. The reversal of 871368654 is 456863178.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8983134 + ... + 8983230.

It is an arithmetic number, because the mean of its divisors is an integer number (20622189).

Almost surely, 2^871368654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 871368654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (989865072).

871368654 is an abundant number, since it is smaller than the sum of its proper divisors (1108361490).

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

871368654 is a wasteful number, since it uses less digits than its factorization.

871368654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 209 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 871368654 is about 29518.9541481401. The cubic root of 871368654 is about 955.1406110403.

The spelling of 871368654 in words is "eight hundred seventy-one million, three hundred sixty-eight thousand, six hundred fifty-four".