875171920 has 160 divisors (see below), whose sum is σ = 2479841280. Its totient is φ = 280558080.

The previous prime is 875171911. The next prime is 875171933. The reversal of 875171920 is 29171578.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 882625 + ... + 883615.

It is an arithmetic number, because the mean of its divisors is an integer number (15499008).

Almost surely, 2^875171920 is an apocalyptic number.

875171920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 875171920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239920640).

875171920 is an abundant number, since it is smaller than the sum of its proper divisors (1604669360).

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

875171920 is a wasteful number, since it uses less digits than its factorization.

875171920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 40.

The square root of 875171920 is about 29583.3047511599. The cubic root of 875171920 is about 956.5282294038.

The spelling of 875171920 in words is "eight hundred seventy-five million, one hundred seventy-one thousand, nine hundred twenty".