80399985938 has 8 divisors (see below), whose sum is σ = 121398654720. Its totient is φ = 39933767700.

The previous prime is 80399985931. The next prime is 80399985979. The reversal of 80399985938 is 83958999308.

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

It is not an unprimeable number, because it can be changed into a prime (80399985931) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 133112258 + ... + 133112861.

It is an arithmetic number, because the mean of its divisors is an integer number (15174831840).

Almost surely, 2^80399985938 is an apocalyptic number.

80399985938 is a deficient number, since it is larger than the sum of its proper divisors (40998668782).

80399985938 is a wasteful number, since it uses less digits than its factorization.

80399985938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266225272.

The product of its (nonzero) digits is 151165440, while the sum is 71.

The spelling of 80399985938 in words is "eighty billion, three hundred ninety-nine million, nine hundred eighty-five thousand, nine hundred thirty-eight".