84006713009 has 4 divisors (see below), whose sum is σ = 87659178816. Its totient is φ = 80354247204.

The previous prime is 84006712957. The next prime is 84006713017. The reversal of 84006713009 is 90031760048.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84006713009 - 2²⁴ = 83989935793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84006713099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1826232869 + ... + 1826232914.

It is an arithmetic number, because the mean of its divisors is an integer number (21914794704).

Almost surely, 2^84006713009 is an apocalyptic number.

It is an amenable number.

84006713009 is a deficient number, since it is larger than the sum of its proper divisors (3652465807).

84006713009 is a wasteful number, since it uses less digits than its factorization.

84006713009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3652465806.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 84006713009 in words is "eighty-four billion, six million, seven hundred thirteen thousand, nine".