871970624 has 56 divisors (see below), whose sum is σ = 1982297280. Its totient is φ = 372796416.

The previous prime is 871970611. The next prime is 871970639. The reversal of 871970624 is 426079178.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202607 + ... + 206865.

Almost surely, 2^871970624 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 871970624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991148640).

871970624 is an abundant number, since it is smaller than the sum of its proper divisors (1110326656).

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

871970624 is a wasteful number, since it uses less digits than its factorization.

871970624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4735 (or 4725 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 871970624 is about 29529.1487178347. The cubic root of 871970624 is about 955.3605078811.

The spelling of 871970624 in words is "eight hundred seventy-one million, nine hundred seventy thousand, six hundred twenty-four".