871655464 has 8 divisors (see below), whose sum is σ = 1634354010. Its totient is φ = 435827728.

The previous prime is 871655453. The next prime is 871655471. The reversal of 871655464 is 464556178.

It can be written as a sum of positive squares in only one way, i.e., 753063364 + 118592100 = 27442^2 + 10890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54478459 + ... + 54478474.

Almost surely, 2^871655464 is an apocalyptic number.

It is an amenable number.

871655464 is a deficient number, since it is larger than the sum of its proper divisors (762698546).

871655464 is a wasteful number, since it uses less digits than its factorization.

871655464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108956939 (or 108956935 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The square root of 871655464 is about 29523.8118135176. The cubic root of 871655464 is about 955.2453940261.

It can be divided in two parts, 87165 and 5464, that added together give a palindrome (92629).

The spelling of 871655464 in words is "eight hundred seventy-one million, six hundred fifty-five thousand, four hundred sixty-four".