84447356753 has 2 divisors, whose sum is σ = 84447356754. Its totient is φ = 84447356752.

The previous prime is 84447356701. The next prime is 84447356803. The reversal of 84447356753 is 35765374448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62284186624 + 22163170129 = 249568^2 + 148873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84447356753 is a prime.

It is not a weakly prime, because it can be changed into another prime (84447356453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42223678376 + 42223678377.

It is an arithmetic number, because the mean of its divisors is an integer number (42223678377).

Almost surely, 2^84447356753 is an apocalyptic number.

It is an amenable number.

84447356753 is a deficient number, since it is larger than the sum of its proper divisors (1).

84447356753 is an equidigital number, since it uses as much as digits as its factorization.

84447356753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33868800, while the sum is 56.

The spelling of 84447356753 in words is "eighty-four billion, four hundred forty-seven million, three hundred fifty-six thousand, seven hundred fifty-three".