84450312617 has 8 divisors (see below), whose sum is σ = 92129935872. Its totient is φ = 76771076400.

The previous prime is 84450312607. The next prime is 84450312619. The reversal of 84450312617 is 71621305448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84450312617 - 2⁶ = 84450312553 is a prime.

It is a super-2 number, since 2×84450312617² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84450312619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543992 + ... + 681782.

It is an arithmetic number, because the mean of its divisors is an integer number (11516241984).

Almost surely, 2^84450312617 is an apocalyptic number.

It is an amenable number.

84450312617 is a deficient number, since it is larger than the sum of its proper divisors (7679623255).

84450312617 is a wasteful number, since it uses less digits than its factorization.

84450312617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193519.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 84450312617 in words is "eighty-four billion, four hundred fifty million, three hundred twelve thousand, six hundred seventeen".