196045979 has 2 divisors, whose sum is σ = 196045980. Its totient is φ = 196045978.

The previous prime is 196045937. The next prime is 196045999. The reversal of 196045979 is 979540691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196045979 - 2¹² = 196041883 is a prime.

It is not a weakly prime, because it can be changed into another prime (196045909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98022989 + 98022990.

It is an arithmetic number, because the mean of its divisors is an integer number (98022990).

Almost surely, 2^196045979 is an apocalyptic number.

196045979 is a deficient number, since it is larger than the sum of its proper divisors (1).

196045979 is an equidigital number, since it uses as much as digits as its factorization.

196045979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 196045979 is about 14001.6420108500. The cubic root of 196045979 is about 580.9239919409.

The spelling of 196045979 in words is "one hundred ninety-six million, forty-five thousand, nine hundred seventy-nine".