873321560 has 16 divisors (see below), whose sum is σ = 1964973600. Its totient is φ = 349328608.

The previous prime is 873321551. The next prime is 873321583. The reversal of 873321560 is 65123378.

It is a self number, because there is not a number n which added to its sum of digits gives 873321560.

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 3 ways as a sum of consecutive naturals, for example, 10916480 + ... + 10916559.

It is an arithmetic number, because the mean of its divisors is an integer number (122810850).

Almost surely, 2^873321560 is an apocalyptic number.

It is an amenable number.

873321560 is an abundant number, since it is smaller than the sum of its proper divisors (1091652040).

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

873321560 is a wasteful number, since it uses less digits than its factorization.

873321560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21833050 (or 21833046 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 873321560 is about 29552.0144829418. The cubic root of 873321560 is about 955.8536303632.

The spelling of 873321560 in words is "eight hundred seventy-three million, three hundred twenty-one thousand, five hundred sixty".