84548027764009 has 2 divisors, whose sum is σ = 84548027764010. Its totient is φ = 84548027764008.

The previous prime is 84548027764003. The next prime is 84548027764027. The reversal of 84548027764009 is 90046772084548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83622337475625 + 925690288384 = 9144525^2 + 962128^2 .

It is a cyclic number.

It is not a de Polignac number, because 84548027764009 - 2³⁹ = 83998271950121 is a prime.

It is not a weakly prime, because it can be changed into another prime (84548027764003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42274013882004 + 42274013882005.

It is an arithmetic number, because the mean of its divisors is an integer number (42274013882005).

Almost surely, 2^{84548027764009} is an apocalyptic number.

It is an amenable number.

84548027764009 is a deficient number, since it is larger than the sum of its proper divisors (1).

84548027764009 is an equidigital number, since it uses as much as digits as its factorization.

84548027764009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108380160, while the sum is 64.

The spelling of 84548027764009 in words is "eighty-four trillion, five hundred forty-eight billion, twenty-seven million, seven hundred sixty-four thousand, nine".