873605617 has 4 divisors (see below), whose sum is σ = 919584880. Its totient is φ = 827626356.

The previous prime is 873605561. The next prime is 873605633. The reversal of 873605617 is 716506378.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 873605617 - 2⁷ = 873605489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873605717) 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 3 ways as a sum of consecutive naturals, for example, 22989603 + ... + 22989640.

It is an arithmetic number, because the mean of its divisors is an integer number (229896220).

Almost surely, 2^873605617 is an apocalyptic number.

It is an amenable number.

873605617 is a deficient number, since it is larger than the sum of its proper divisors (45979263).

873605617 is a wasteful number, since it uses less digits than its factorization.

873605617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45979262.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 873605617 is about 29556.8201435811. The cubic root of 873605617 is about 955.9572529365.

The spelling of 873605617 in words is "eight hundred seventy-three million, six hundred five thousand, six hundred seventeen".