79006687 has 2 divisors, whose sum is σ = 79006688. Its totient is φ = 79006686.

The previous prime is 79006663. The next prime is 79006703. The reversal of 79006687 is 78660097.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79006687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79006607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39503343 + 39503344.

It is an arithmetic number, because the mean of its divisors is an integer number (39503344).

Almost surely, 2^79006687 is an apocalyptic number.

79006687 is a deficient number, since it is larger than the sum of its proper divisors (1).

79006687 is an equidigital number, since it uses as much as digits as its factorization.

79006687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 79006687 is about 8888.5705824953. The cubic root of 79006687 is about 429.0961490488.

The spelling of 79006687 in words is "seventy-nine million, six thousand, six hundred eighty-seven".