84647360239 has 16 divisors (see below), whose sum is σ = 95900464800. Its totient is φ = 74162987136.

The previous prime is 84647360233. The next prime is 84647360243. The reversal of 84647360239 is 93206374648.

It is a happy number.

It is not a de Polignac number, because 84647360239 - 2³⁵ = 50287621871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84647360233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1880544 + ... + 1925029.

It is an arithmetic number, because the mean of its divisors is an integer number (5993779050).

Almost surely, 2^84647360239 is an apocalyptic number.

84647360239 is a deficient number, since it is larger than the sum of its proper divisors (11253104561).

84647360239 is a wasteful number, since it uses less digits than its factorization.

84647360239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805674.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 84647360239 in words is "eighty-four billion, six hundred forty-seven million, three hundred sixty thousand, two hundred thirty-nine".