84255720706 has 16 divisors (see below), whose sum is σ = 127201219488. Its totient is φ = 41855486400.

The previous prime is 84255720677. The next prime is 84255720707. The reversal of 84255720706 is 60702755248.

It is not an unprimeable number, because it can be changed into a prime (84255720707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976041 + ... + 1058851.

It is an arithmetic number, because the mean of its divisors is an integer number (7950076218).

Almost surely, 2^84255720706 is an apocalyptic number.

84255720706 is a deficient number, since it is larger than the sum of its proper divisors (42945498782).

84255720706 is a wasteful number, since it uses less digits than its factorization.

84255720706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86097.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 84255720706 in words is "eighty-four billion, two hundred fifty-five million, seven hundred twenty thousand, seven hundred six".