8205554085 has 8 divisors (see below), whose sum is σ = 13128886560. Its totient is φ = 4376295504.

The previous prime is 8205554053. The next prime is 8205554113. The reversal of 8205554085 is 5804555028.

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

It is not a de Polignac number, because 8205554085 - 2⁵ = 8205554053 is a prime.

It is a super-2 number, since 2×8205554085² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 273518455 + ... + 273518484.

It is an arithmetic number, because the mean of its divisors is an integer number (1641110820).

Almost surely, 2^8205554085 is an apocalyptic number.

It is an amenable number.

8205554085 is a deficient number, since it is larger than the sum of its proper divisors (4923332475).

8205554085 is a wasteful number, since it uses less digits than its factorization.

8205554085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547036947.

The product of its (nonzero) digits is 320000, while the sum is 42.

The square root of 8205554085 is about 90584.5134943054. The cubic root of 8205554085 is about 2016.9848560916.

The spelling of 8205554085 in words is "eight billion, two hundred five million, five hundred fifty-four thousand, eighty-five".