873699145 has 16 divisors (see below), whose sum is σ = 1144326528. Its totient is φ = 635098240.

The previous prime is 873699143. The next prime is 873699209. The reversal of 873699145 is 541996378.

It is a happy number.

It is not a de Polignac number, because 873699145 - 2¹ = 873699143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 873699092 and 873699101.

It is not an unprimeable number, because it can be changed into a prime (873699143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205077 + ... + 209293.

It is an arithmetic number, because the mean of its divisors is an integer number (71520408).

Almost surely, 2^873699145 is an apocalyptic number.

It is an amenable number.

873699145 is a deficient number, since it is larger than the sum of its proper divisors (270627383).

873699145 is a wasteful number, since it uses less digits than its factorization.

873699145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8000.

The product of its digits is 1632960, while the sum is 52.

The square root of 873699145 is about 29558.4022741419. The cubic root of 873699145 is about 955.9913665677.

The spelling of 873699145 in words is "eight hundred seventy-three million, six hundred ninety-nine thousand, one hundred forty-five".