84272239820239 has 2 divisors, whose sum is σ = 84272239820240. Its totient is φ = 84272239820238.

The previous prime is 84272239820189. The next prime is 84272239820299. The reversal of 84272239820239 is 93202893227248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84272239820239 - 2¹⁵ = 84272239787471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84272239820299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42136119910119 + 42136119910120.

It is an arithmetic number, because the mean of its divisors is an integer number (42136119910120).

Almost surely, 2^{84272239820239} is an apocalyptic number.

84272239820239 is a deficient number, since it is larger than the sum of its proper divisors (1).

84272239820239 is an equidigital number, since it uses as much as digits as its factorization.

84272239820239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41803776, while the sum is 61.

The spelling of 84272239820239 in words is "eighty-four trillion, two hundred seventy-two billion, two hundred thirty-nine million, eight hundred twenty thousand, two hundred thirty-nine".