84096548509 has 4 divisors (see below), whose sum is σ = 84308379004. Its totient is φ = 83884718016.

The previous prime is 84096548467. The next prime is 84096548533. The reversal of 84096548509 is 90584569048.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63784028025 + 20312520484 = 252555^2 + 142522^2 .

It is a cyclic number.

It is not a de Polignac number, because 84096548509 - 2²³ = 84088159901 is a prime.

It is a super-2 number, since 2×84096548509² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84096548539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105914652 + ... + 105915445.

It is an arithmetic number, because the mean of its divisors is an integer number (21077094751).

Almost surely, 2^84096548509 is an apocalyptic number.

It is an amenable number.

84096548509 is a deficient number, since it is larger than the sum of its proper divisors (211830495).

84096548509 is a wasteful number, since it uses less digits than its factorization.

84096548509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211830494.

The product of its (nonzero) digits is 12441600, while the sum is 58.

The spelling of 84096548509 in words is "eighty-four billion, ninety-six million, five hundred forty-eight thousand, five hundred nine".