100665079 has 2 divisors, whose sum is σ = 100665080. Its totient is φ = 100665078.

The previous prime is 100665013. The next prime is 100665137. The reversal of 100665079 is 970566001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100665079 - 2¹³ = 100656887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100665379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50332539 + 50332540.

It is an arithmetic number, because the mean of its divisors is an integer number (50332540).

Almost surely, 2^100665079 is an apocalyptic number.

100665079 is a deficient number, since it is larger than the sum of its proper divisors (1).

100665079 is an equidigital number, since it uses as much as digits as its factorization.

100665079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 100665079 is about 10033.1988418450. The cubic root of 100665079 is about 465.1856182681.

The spelling of 100665079 in words is "one hundred million, six hundred sixty-five thousand, seventy-nine".