79792787 has 2 divisors, whose sum is σ = 79792788. Its totient is φ = 79792786.

The previous prime is 79792771. The next prime is 79792813. The reversal of 79792787 is 78729797.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79792787 - 2⁴ = 79792771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79792487) 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, 39896393 + 39896394.

It is an arithmetic number, because the mean of its divisors is an integer number (39896394).

Almost surely, 2^79792787 is an apocalyptic number.

79792787 is a deficient number, since it is larger than the sum of its proper divisors (1).

79792787 is an equidigital number, since it uses as much as digits as its factorization.

79792787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3111696, while the sum is 56.

The square root of 79792787 is about 8932.6808405988. The cubic root of 79792787 is about 430.5145939477.

The spelling of 79792787 in words is "seventy-nine million, seven hundred ninety-two thousand, seven hundred eighty-seven".