871457808 has 160 divisors (see below), whose sum is σ = 2593334016. Its totient is φ = 249790464.

The previous prime is 871457803. The next prime is 871457809. The reversal of 871457808 is 808754178.

It is a super-2 number, since 2×871457808² = 1518877422248329728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (871457803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1198341 + ... + 1199067.

Almost surely, 2^871457808 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 871457808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296667008).

871457808 is an abundant number, since it is smaller than the sum of its proper divisors (1721876208).

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

871457808 is a wasteful number, since it uses less digits than its factorization.

871457808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 48.

The square root of 871457808 is about 29520.4642239921. The cubic root of 871457808 is about 955.1731849693.

The spelling of 871457808 in words is "eight hundred seventy-one million, four hundred fifty-seven thousand, eight hundred eight".