195910797 has 8 divisors (see below), whose sum is σ = 264893760. Its totient is φ = 128767520.

The previous prime is 195910733. The next prime is 195910807. The reversal of 195910797 is 797019591.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 195910797 - 2⁶ = 195910733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195910717) 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, 459672 + ... + 460097.

It is an arithmetic number, because the mean of its divisors is an integer number (33111720).

Almost surely, 2^195910797 is an apocalyptic number.

It is an amenable number.

195910797 is a deficient number, since it is larger than the sum of its proper divisors (68982963).

195910797 is an equidigital number, since it uses as much as digits as its factorization.

195910797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919843.

The product of its (nonzero) digits is 178605, while the sum is 48.

The square root of 195910797 is about 13996.8138160083. The cubic root of 195910797 is about 580.7904373459.

The spelling of 195910797 in words is "one hundred ninety-five million, nine hundred ten thousand, seven hundred ninety-seven".