871417020 has 96 divisors (see below), whose sum is σ = 2495808000. Its totient is φ = 227107584.

The previous prime is 871417003. The next prime is 871417033. The reversal of 871417020 is 20714178.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 703842 + ... + 705078.

It is an arithmetic number, because the mean of its divisors is an integer number (25998000).

Almost surely, 2^871417020 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 871417020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1247904000).

871417020 is an abundant number, since it is smaller than the sum of its proper divisors (1624390980).

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

871417020 is a wasteful number, since it uses less digits than its factorization.

871417020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 871417020 is about 29519.7733731138. The cubic root of 871417020 is about 955.1582826560.

The spelling of 871417020 in words is "eight hundred seventy-one million, four hundred seventeen thousand, twenty".