873432664 has 32 divisors (see below), whose sum is σ = 1867410720. Its totient is φ = 379408896.

The previous prime is 873432653. The next prime is 873432671. The reversal of 873432664 is 466234378.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 873432664.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 245244 + ... + 248779.

It is an arithmetic number, because the mean of its divisors is an integer number (58356585).

Almost surely, 2^873432664 is an apocalyptic number.

It is an amenable number.

873432664 is an abundant number, since it is smaller than the sum of its proper divisors (993978056).

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

873432664 is a wasteful number, since it uses less digits than its factorization.

873432664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494059 (or 494055 counting only the distinct ones).

The product of its digits is 580608, while the sum is 43.

The square root of 873432664 is about 29553.8942273265. The cubic root of 873432664 is about 955.8941632220.

The spelling of 873432664 in words is "eight hundred seventy-three million, four hundred thirty-two thousand, six hundred sixty-four".