8198500905 has 48 divisors (see below), whose sum is σ = 16572316800. Its totient is φ = 3747879072.

The previous prime is 8198500897. The next prime is 8198500913. The reversal of 8198500905 is 5090058918.

It is an interprime number because it is at equal distance from previous prime (8198500897) and next prime (8198500913).

It is not a de Polignac number, because 8198500905 - 2³ = 8198500897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 250147 + ... + 281016.

It is an arithmetic number, because the mean of its divisors is an integer number (345256600).

Almost surely, 2^8198500905 is an apocalyptic number.

It is an amenable number.

8198500905 is an abundant number, since it is smaller than the sum of its proper divisors (8373815895).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8198500905 is a wasteful number, since it uses less digits than its factorization.

8198500905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531195 (or 531178 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The square root of 8198500905 is about 90545.5736356008. The cubic root of 8198500905 is about 2016.4067827877.

The spelling of 8198500905 in words is "eight billion, one hundred ninety-eight million, five hundred thousand, nine hundred five".