84747007 has 2 divisors, whose sum is σ = 84747008. Its totient is φ = 84747006.

The previous prime is 84747001. The next prime is 84747017. The reversal of 84747007 is 70074748.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84747007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84747001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42373503 + 42373504.

It is an arithmetic number, because the mean of its divisors is an integer number (42373504).

Almost surely, 2^84747007 is an apocalyptic number.

84747007 is a deficient number, since it is larger than the sum of its proper divisors (1).

84747007 is an equidigital number, since it uses as much as digits as its factorization.

84747007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 84747007 is about 9205.8137608796. The cubic root of 84747007 is about 439.2463113061.

The spelling of 84747007 in words is "eighty-four million, seven hundred forty-seven thousand, seven".