79803907 has 2 divisors, whose sum is σ = 79803908. Its totient is φ = 79803906.

The previous prime is 79803863. The next prime is 79803923. The reversal of 79803907 is 70930897.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79803907 is a prime.

It is not a weakly prime, because it can be changed into another prime (79803947) 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, 39901953 + 39901954.

It is an arithmetic number, because the mean of its divisors is an integer number (39901954).

Almost surely, 2^79803907 is an apocalyptic number.

79803907 is a deficient number, since it is larger than the sum of its proper divisors (1).

79803907 is an equidigital number, since it uses as much as digits as its factorization.

79803907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 79803907 is about 8933.3032524369. The cubic root of 79803907 is about 430.5345919955.

The spelling of 79803907 in words is "seventy-nine million, eight hundred three thousand, nine hundred seven".