8190081286 has 4 divisors (see below), whose sum is σ = 12285121932. Its totient is φ = 4095040642.

The previous prime is 8190081281. The next prime is 8190081287. The reversal of 8190081286 is 6821800918.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8190081281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2047520320 + ... + 2047520323.

It is an arithmetic number, because the mean of its divisors is an integer number (3071280483).

Almost surely, 2^8190081286 is an apocalyptic number.

8190081286 is a deficient number, since it is larger than the sum of its proper divisors (4095040646).

8190081286 is a wasteful number, since it uses less digits than its factorization.

8190081286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095040645.

The product of its (nonzero) digits is 55296, while the sum is 43.

The square root of 8190081286 is about 90499.0678736527. The cubic root of 8190081286 is about 2015.7162828971.

The spelling of 8190081286 in words is "eight billion, one hundred ninety million, eighty-one thousand, two hundred eighty-six".