871754940 has 192 divisors, whose sum is σ = 3117112320. Its totient is φ = 198132480.

The previous prime is 871754929. The next prime is 871754959. The reversal of 871754940 is 49457178.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 797034 + ... + 798126.

It is an arithmetic number, because the mean of its divisors is an integer number (16234960).

Almost surely, 2^871754940 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 871754940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1558556160).

871754940 is an abundant number, since it is smaller than the sum of its proper divisors (2245357380).

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

871754940 is a wasteful number, since it uses less digits than its factorization.

871754940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 871754940 is about 29525.4964395182. The cubic root of 871754940 is about 955.2817311571.

The spelling of 871754940 in words is "eight hundred seventy-one million, seven hundred fifty-four thousand, nine hundred forty".