8081481398 has 8 divisors (see below), whose sum is σ = 12128706720. Its totient is φ = 4038579160.

The previous prime is 8081481349. The next prime is 8081481431. The reversal of 8081481398 is 8931841808.

8081481398 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076093 + ... + 1083576.

It is an arithmetic number, because the mean of its divisors is an integer number (1516088340).

Almost surely, 2^8081481398 is an apocalyptic number.

8081481398 is a deficient number, since it is larger than the sum of its proper divisors (4047225322).

8081481398 is a wasteful number, since it uses less digits than its factorization.

8081481398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161542.

The product of its (nonzero) digits is 442368, while the sum is 50.

The square root of 8081481398 is about 89897.0600075442. The cubic root of 8081481398 is about 2006.7671932227.

The spelling of 8081481398 in words is "eight billion, eighty-one million, four hundred eighty-one thousand, three hundred ninety-eight".