8085128084 has 36 divisors (see below), whose sum is σ = 16135566720. Its totient is φ = 3515262960.

The previous prime is 8085128081. The next prime is 8085128101. The reversal of 8085128084 is 4808215808.

It is a happy number.

It is a super-2 number, since 2×8085128084² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8085128081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150404 + ... + 196955.

Almost surely, 2^8085128084 is an apocalyptic number.

It is an amenable number.

8085128084 is a deficient number, since it is larger than the sum of its proper divisors (8050438636).

8085128084 is a wasteful number, since it uses less digits than its factorization.

8085128084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347420 (or 347395 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 44.

The square root of 8085128084 is about 89917.3402853977. The cubic root of 8085128084 is about 2007.0689922375.

The spelling of 8085128084 in words is "eight billion, eighty-five million, one hundred twenty-eight thousand, eighty-four".