195028679 has 6 divisors (see below), whose sum is σ = 196481544. Its totient is φ = 193586480.

The previous prime is 195028663. The next prime is 195028681. The reversal of 195028679 is 976820591.

It is not a de Polignac number, because 195028679 - 2⁴ = 195028663 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 (195028619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13574 + ... + 23964.

It is an arithmetic number, because the mean of its divisors is an integer number (32746924).

Almost surely, 2^195028679 is an apocalyptic number.

195028679 is a deficient number, since it is larger than the sum of its proper divisors (1452865).

195028679 is an equidigital number, since it uses as much as digits as its factorization.

195028679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10665 (or 10528 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 195028679 is about 13965.2668789393. The cubic root of 195028679 is about 579.9174268100.

The spelling of 195028679 in words is "one hundred ninety-five million, twenty-eight thousand, six hundred seventy-nine".