195468287 has 4 divisors (see below), whose sum is σ = 223392336. Its totient is φ = 167544240.

The previous prime is 195468281. The next prime is 195468307. The reversal of 195468287 is 782864591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782864591 = 6763 ⋅115757.

It is a cyclic number.

It is not a de Polignac number, because 195468287 - 2¹⁶ = 195402751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195468281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13962014 + ... + 13962027.

It is an arithmetic number, because the mean of its divisors is an integer number (55848084).

Almost surely, 2^195468287 is an apocalyptic number.

195468287 is a deficient number, since it is larger than the sum of its proper divisors (27924049).

195468287 is an equidigital number, since it uses as much as digits as its factorization.

195468287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27924048.

The product of its digits is 967680, while the sum is 50.

The square root of 195468287 is about 13980.9973535510. The cubic root of 195468287 is about 580.3528243679.

The spelling of 195468287 in words is "one hundred ninety-five million, four hundred sixty-eight thousand, two hundred eighty-seven".