873889965 has 96 divisors (see below), whose sum is σ = 1721306496. Its totient is φ = 422703360.

The previous prime is 873889943. The next prime is 873889967. The reversal of 873889965 is 569988378.

It is not a de Polignac number, because 873889965 - 2⁷ = 873889837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873889967) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 963042 + ... + 963948.

It is an arithmetic number, because the mean of its divisors is an integer number (17930276).

Almost surely, 2^873889965 is an apocalyptic number.

It is an amenable number.

873889965 is a deficient number, since it is larger than the sum of its proper divisors (847416531).

873889965 is a wasteful number, since it uses less digits than its factorization.

873889965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001 (or 989 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The square root of 873889965 is about 29561.6299449134. The cubic root of 873889965 is about 956.0609591708.

The spelling of 873889965 in words is "eight hundred seventy-three million, eight hundred eighty-nine thousand, nine hundred sixty-five".