8205873128 has 16 divisors (see below), whose sum is σ = 15392081760. Its totient is φ = 4101318000.

The previous prime is 8205873107. The next prime is 8205873161. The reversal of 8205873128 is 8213785028.

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, 180638 + ... + 221453.

It is an arithmetic number, because the mean of its divisors is an integer number (962005110).

Almost surely, 2^8205873128 is an apocalyptic number.

It is an amenable number.

8205873128 is a deficient number, since it is larger than the sum of its proper divisors (7186208632).

8205873128 is a wasteful number, since it uses less digits than its factorization.

8205873128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404648 (or 404644 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 8205873128 is about 90586.2745011627. The cubic root of 8205873128 is about 2017.0109967825.

The spelling of 8205873128 in words is "eight billion, two hundred five million, eight hundred seventy-three thousand, one hundred twenty-eight".