196694575979 has 16 divisors (see below), whose sum is σ = 215724539520. Its totient is φ = 177858000000.

The previous prime is 196694575969. The next prime is 196694575997. The reversal of 196694575979 is 979575496691.

It is a cyclic number.

It is not a de Polignac number, because 196694575979 - 2⁴ = 196694575963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196694575969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1992179 + ... + 2088579.

It is an arithmetic number, because the mean of its divisors is an integer number (13482783720).

Almost surely, 2^196694575979 is an apocalyptic number.

196694575979 is a deficient number, since it is larger than the sum of its proper divisors (19029963541).

196694575979 is a wasteful number, since it uses less digits than its factorization.

196694575979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97402.

The product of its digits is 1157360400, while the sum is 77.

The spelling of 196694575979 in words is "one hundred ninety-six billion, six hundred ninety-four million, five hundred seventy-five thousand, nine hundred seventy-nine".