8197670650 has 96 divisors (see below), whose sum is σ = 17530128000. Its totient is φ = 2826835200.

The previous prime is 8197670627. The next prime is 8197670681. The reversal of 8197670650 is 560767918.

It is a junction number, because it is equal to n+sod(n) for n = 8197670594 and 8197670603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 872176 + ... + 881524.

It is an arithmetic number, because the mean of its divisors is an integer number (182605500).

Almost surely, 2^8197670650 is an apocalyptic number.

8197670650 is an abundant number, since it is smaller than the sum of its proper divisors (9332457350).

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

8197670650 is a wasteful number, since it uses less digits than its factorization.

8197670650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9464 (or 9459 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 8197670650 is about 90540.9887840861. The cubic root of 8197670650 is about 2016.3387139074.

The spelling of 8197670650 in words is "eight billion, one hundred ninety-seven million, six hundred seventy thousand, six hundred fifty".