8434185085 has 16 divisors (see below), whose sum is σ = 10150987392. Its totient is φ = 6727406400.

The previous prime is 8434185079. The next prime is 8434185107. The reversal of 8434185085 is 5805814348.

It is not a de Polignac number, because 8434185085 - 2⁹ = 8434184573 is a prime.

It is a super-2 number, since 2×8434185085² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2946555 + ... + 2949415.

It is an arithmetic number, because the mean of its divisors is an integer number (634436712).

Almost surely, 2^8434185085 is an apocalyptic number.

It is an amenable number.

8434185085 is a deficient number, since it is larger than the sum of its proper divisors (1716802307).

8434185085 is a wasteful number, since it uses less digits than its factorization.

8434185085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404.

The product of its (nonzero) digits is 614400, while the sum is 46.

The square root of 8434185085 is about 91837.8194699765. The cubic root of 8434185085 is about 2035.5465682295.

The spelling of 8434185085 in words is "eight billion, four hundred thirty-four million, one hundred eighty-five thousand, eighty-five".