84472488088309 has 2 divisors, whose sum is σ = 84472488088310. Its totient is φ = 84472488088308.

The previous prime is 84472488088199. The next prime is 84472488088363. The reversal of 84472488088309 is 90388088427448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54727222906225 + 29745265182084 = 7397785^2 + 5453922^2 .

It is a cyclic number.

It is not a de Polignac number, because 84472488088309 - 2¹³ = 84472488080117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84472488088379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42236244044154 + 42236244044155.

It is an arithmetic number, because the mean of its divisors is an integer number (42236244044155).

Almost surely, 2^{84472488088309} is an apocalyptic number.

It is an amenable number.

84472488088309 is a deficient number, since it is larger than the sum of its proper divisors (1).

84472488088309 is an equidigital number, since it uses as much as digits as its factorization.

84472488088309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 792723456, while the sum is 73.

The spelling of 84472488088309 in words is "eighty-four trillion, four hundred seventy-two billion, four hundred eighty-eight million, eighty-eight thousand, three hundred nine".