873572949522 has 96 divisors (see below), whose sum is σ = 2431924790400. Its totient is φ = 230392856736.

The previous prime is 873572949499. The next prime is 873572949533. The reversal of 873572949522 is 225949275378.

873572949522 is a `hidden beast` number, since 8 + 7 + 3 + 572 + 9 + 4 + 9 + 52 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 873572949522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12663622 + ... + 12732417.

It is an arithmetic number, because the mean of its divisors is an integer number (25332549900).

Almost surely, 2^873572949522 is an apocalyptic number.

873572949522 is an abundant number, since it is smaller than the sum of its proper divisors (1558351840878).

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

873572949522 is a wasteful number, since it uses less digits than its factorization.

873572949522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25396077 (or 25396064 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 63.

The spelling of 873572949522 in words is "eight hundred seventy-three billion, five hundred seventy-two million, nine hundred forty-nine thousand, five hundred twenty-two".