872473105500 has 96 divisors (see below), whose sum is σ = 2628250148160. Its totient is φ = 224636742400.

The previous prime is 872473105459. The next prime is 872473105513. The reversal of 872473105500 is 5501374278.

It is a super-2 number, since 2×872473105500² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9984927 + ... + 10071926.

It is an arithmetic number, because the mean of its divisors is an integer number (27377605710).

Almost surely, 2^872473105500 is an apocalyptic number.

It is an amenable number.

872473105500 is an abundant number, since it is smaller than the sum of its proper divisors (1755777042660).

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

872473105500 is a wasteful number, since it uses less digits than its factorization.

872473105500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20056904 (or 20056892 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

Adding to 872473105500 its reverse (5501374278), we get a palindrome (877974479778).

The spelling of 872473105500 in words is "eight hundred seventy-two billion, four hundred seventy-three million, one hundred five thousand, five hundred".