8181086076 has 48 divisors (see below), whose sum is σ = 21250924800. Its totient is φ = 2721795696.

The previous prime is 8181086059. The next prime is 8181086077. The reversal of 8181086076 is 6706801818.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8181086077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15936 + ... + 128903.

It is an arithmetic number, because the mean of its divisors is an integer number (442727600).

Almost surely, 2^8181086076 is an apocalyptic number.

It is an amenable number.

8181086076 is an abundant number, since it is smaller than the sum of its proper divisors (13069838724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8181086076 is a wasteful number, since it uses less digits than its factorization.

8181086076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145375 (or 145367 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 8181086076 is about 90449.3564156208. The cubic root of 8181086076 is about 2014.9780552464.

The spelling of 8181086076 in words is "eight billion, one hundred eighty-one million, eighty-six thousand, seventy-six".