873610445 has 4 divisors (see below), whose sum is σ = 1048332540. Its totient is φ = 698888352.

The previous prime is 873610379. The next prime is 873610457. The reversal of 873610445 is 544016378.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 161467849 + 712142596 = 12707^2 + 26686^2 .

It is a cyclic number.

It is not a de Polignac number, because 873610445 - 2⁸ = 873610189 is a prime.

It is a super-2 number, since 2×873610445² = 1526390419226196050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 873610399 and 873610408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87361040 + ... + 87361049.

It is an arithmetic number, because the mean of its divisors is an integer number (262083135).

Almost surely, 2^873610445 is an apocalyptic number.

It is an amenable number.

873610445 is a deficient number, since it is larger than the sum of its proper divisors (174722095).

873610445 is a wasteful number, since it uses less digits than its factorization.

873610445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174722094.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 873610445 is about 29556.9018166654. The cubic root of 873610445 is about 955.9590139726.

The spelling of 873610445 in words is "eight hundred seventy-three million, six hundred ten thousand, four hundred forty-five".