195049879 has 8 divisors (see below), whose sum is σ = 198469440. Its totient is φ = 191637600.

The previous prime is 195049873. The next prime is 195049889. The reversal of 195049879 is 978940591.

195049879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 195049879 - 2¹⁵ = 195017111 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 (195049873) 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, 103314 + ... + 105184.

It is an arithmetic number, because the mean of its divisors is an integer number (24808680).

Almost surely, 2^195049879 is an apocalyptic number.

195049879 is a deficient number, since it is larger than the sum of its proper divisors (3419561).

195049879 is a wasteful number, since it uses less digits than its factorization.

195049879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 195049879 is about 13966.0258842664. The cubic root of 195049879 is about 579.9384387693.

The spelling of 195049879 in words is "one hundred ninety-five million, forty-nine thousand, eight hundred seventy-nine".