80345563108 has 12 divisors (see below), whose sum is σ = 140634960172. Its totient is φ = 40164145920.

The previous prime is 80345563099. The next prime is 80345563141. The reversal of 80345563108 is 80136554308.

It can be written as a sum of positive squares in 2 ways, for example, as 47388065344 + 32957497764 = 217688^2 + 181542^2 .

It is a super-2 number, since 2×80345563108² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2137953 + ... + 2175208.

Almost surely, 2^80345563108 is an apocalyptic number.

It is an amenable number.

80345563108 is a deficient number, since it is larger than the sum of its proper divisors (60289397064).

80345563108 is a wasteful number, since it uses less digits than its factorization.

80345563108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317822 (or 4317820 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 80345563108 in words is "eighty billion, three hundred forty-five million, five hundred sixty-three thousand, one hundred eight".