80809285516 has 12 divisors (see below), whose sum is σ = 141531137440. Its totient is φ = 40371817680.

The previous prime is 80809285483. The next prime is 80809285517. The reversal of 80809285516 is 61558290808.

It is not an unprimeable number, because it can be changed into a prime (80809285517) by changing a digit.

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, 8200731 + ... + 8210578.

Almost surely, 2^80809285516 is an apocalyptic number.

It is an amenable number.

80809285516 is a deficient number, since it is larger than the sum of its proper divisors (60721851924).

80809285516 is a wasteful number, since it uses less digits than its factorization.

80809285516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16412544 (or 16412542 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 52.

The spelling of 80809285516 in words is "eighty billion, eight hundred nine million, two hundred eighty-five thousand, five hundred sixteen".