873911844 has 81 divisors (see below), whose sum is σ = 2398381713. Its totient is φ = 268186464.

The previous prime is 873911767. The next prime is 873911849. The reversal of 873911844 is 448119378.

It is a happy number.

The square root of 873911844 is 29562.

It is a perfect power (a square), and thus also a powerful number.

873911844 is a `hidden beast` number, since 87 + 391 + 184 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 129276900 + 744634944 = 11370^2 + 27288^2 .

It is a super-2 number, since 2×873911844² = 1527443822166960672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 873911844.

It is not an unprimeable number, because it can be changed into a prime (873911849) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 2305647 + ... + 2306025.

Almost surely, 2^873911844 is an apocalyptic number.

873911844 is the 29562-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 873911844

873911844 is an abundant number, since it is smaller than the sum of its proper divisors (1524469869).

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

873911844 is a wasteful number, since it uses less digits than its factorization.

873911844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 397 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The cubic root of 873911844 is about 956.0689378577.

The spelling of 873911844 in words is "eight hundred seventy-three million, nine hundred eleven thousand, eight hundred forty-four".