196858079 has 16 divisors (see below), whose sum is σ = 230605056. Its totient is φ = 166051200.

The previous prime is 196858073. The next prime is 196858117. The reversal of 196858079 is 970858691.

It is a cyclic number.

It is not a de Polignac number, because 196858079 - 2⁴ = 196858063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196858079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196858073) 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 15 ways as a sum of consecutive naturals, for example, 5864 + ... + 20690.

It is an arithmetic number, because the mean of its divisors is an integer number (14412816).

Almost surely, 2^196858079 is an apocalyptic number.

196858079 is a deficient number, since it is larger than the sum of its proper divisors (33746977).

196858079 is a wasteful number, since it uses less digits than its factorization.

196858079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14926.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The square root of 196858079 is about 14030.6122104490. The cubic root of 196858079 is about 581.7250258858.

The spelling of 196858079 in words is "one hundred ninety-six million, eight hundred fifty-eight thousand, seventy-nine".