873735820 has 24 divisors (see below), whose sum is σ = 1836289728. Its totient is φ = 349219200.

The previous prime is 873735773. The next prime is 873735823. The reversal of 873735820 is 28537378.

It is not an unprimeable number, because it can be changed into a prime (873735823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9885 + ... + 42955.

It is an arithmetic number, because the mean of its divisors is an integer number (76512072).

Almost surely, 2^873735820 is an apocalyptic number.

It is an amenable number.

873735820 is an abundant number, since it is smaller than the sum of its proper divisors (962553908).

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

873735820 is a wasteful number, since it uses less digits than its factorization.

873735820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34401 (or 34399 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 873735820 is about 29559.0226496073. The cubic root of 873735820 is about 956.0047428323.

It can be divided in two parts, 8737358 and 20, that added together give a palindrome (8737378).

The spelling of 873735820 in words is "eight hundred seventy-three million, seven hundred thirty-five thousand, eight hundred twenty".