84127000493 has 2 divisors, whose sum is σ = 84127000494. Its totient is φ = 84127000492.

The previous prime is 84127000481. The next prime is 84127000519. The reversal of 84127000493 is 39400072148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82910595364 + 1216405129 = 287942^2 + 34877^2 .

It is a cyclic number.

It is not a de Polignac number, because 84127000493 - 2¹⁰ = 84126999469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84127002493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42063500246 + 42063500247.

It is an arithmetic number, because the mean of its divisors is an integer number (42063500247).

Almost surely, 2^84127000493 is an apocalyptic number.

It is an amenable number.

84127000493 is a deficient number, since it is larger than the sum of its proper divisors (1).

84127000493 is an equidigital number, since it uses as much as digits as its factorization.

84127000493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 84127000493 in words is "eighty-four billion, one hundred twenty-seven million, four hundred ninety-three", and thus it is an aban number.