8285513905 has 16 divisors (see below), whose sum is σ = 10627956864. Its totient is φ = 6185576320.

The previous prime is 8285513897. The next prime is 8285513911. The reversal of 8285513905 is 5093155828.

It is not a de Polignac number, because 8285513905 - 2³ = 8285513897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873919 + ... + 883348.

It is an arithmetic number, because the mean of its divisors is an integer number (664247304).

Almost surely, 2^8285513905 is an apocalyptic number.

It is an amenable number.

8285513905 is a deficient number, since it is larger than the sum of its proper divisors (2342442959).

8285513905 is a wasteful number, since it uses less digits than its factorization.

8285513905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757336.

The product of its (nonzero) digits is 432000, while the sum is 46.

The square root of 8285513905 is about 91024.7982969476. The cubic root of 8285513905 is about 2023.5152581365.

The spelling of 8285513905 in words is "eight billion, two hundred eighty-five million, five hundred thirteen thousand, nine hundred five".