197888095 has 8 divisors (see below), whose sum is σ = 242518464. Its totient is φ = 154941984.

The previous prime is 197888081. The next prime is 197888123. The reversal of 197888095 is 590888791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197888095 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420804 + ... + 421273.

It is an arithmetic number, because the mean of its divisors is an integer number (30314808).

Almost surely, 2^197888095 is an apocalyptic number.

197888095 is a deficient number, since it is larger than the sum of its proper divisors (44630369).

197888095 is an equidigital number, since it uses as much as digits as its factorization.

197888095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842129.

The product of its (nonzero) digits is 1451520, while the sum is 55.

The square root of 197888095 is about 14067.2703464460. The cubic root of 197888095 is about 582.7378436453.

The spelling of 197888095 in words is "one hundred ninety-seven million, eight hundred eighty-eight thousand, ninety-five".