195115008 has 96 divisors (see below), whose sum is σ = 567665280. Its totient is φ = 59105280.

The previous prime is 195115007. The next prime is 195115013. The reversal of 195115008 is 800511591.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195115007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66141 + ... + 69027.

It is an arithmetic number, because the mean of its divisors is an integer number (5913180).

Almost surely, 2^195115008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195115008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283832640).

195115008 is an abundant number, since it is smaller than the sum of its proper divisors (372550272).

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

195115008 is a wasteful number, since it uses less digits than its factorization.

195115008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923 (or 2903 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 30.

The square root of 195115008 is about 13968.3573837442. The cubic root of 195115008 is about 580.0029805634.

Adding to 195115008 its reverse (800511591), we get a palindrome (995626599).

The spelling of 195115008 in words is "one hundred ninety-five million, one hundred fifteen thousand, eight".