84465729717 has 4 divisors (see below), whose sum is σ = 112620972960. Its totient is φ = 56310486476.

The previous prime is 84465729703. The next prime is 84465729721. The reversal of 84465729717 is 71792756448.

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 84465729717 - 2¹⁰ = 84465728693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84465729767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14077621617 + ... + 14077621622.

It is an arithmetic number, because the mean of its divisors is an integer number (28155243240).

Almost surely, 2^84465729717 is an apocalyptic number.

It is an amenable number.

84465729717 is a deficient number, since it is larger than the sum of its proper divisors (28155243243).

84465729717 is a wasteful number, since it uses less digits than its factorization.

84465729717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28155243242.

The product of its digits is 23708160, while the sum is 60.

The spelling of 84465729717 in words is "eighty-four billion, four hundred sixty-five million, seven hundred twenty-nine thousand, seven hundred seventeen".