195923887288 has 16 divisors (see below), whose sum is σ = 371484900000. Its totient is φ = 96861247296.

The previous prime is 195923887259. The next prime is 195923887321. The reversal of 195923887288 is 882788329591.

It is a super-2 number, since 2×195923887288² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 137586288 + ... + 137587711.

It is an arithmetic number, because the mean of its divisors is an integer number (23217806250).

Almost surely, 2^195923887288 is an apocalyptic number.

It is an amenable number.

195923887288 is a deficient number, since it is larger than the sum of its proper divisors (175561012712).

195923887288 is a wasteful number, since it uses less digits than its factorization.

195923887288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275174094 (or 275174090 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 70.

The spelling of 195923887288 in words is "one hundred ninety-five billion, nine hundred twenty-three million, eight hundred eighty-seven thousand, two hundred eighty-eight".