80809285508 has 36 divisors (see below), whose sum is σ = 171657001152. Its totient is φ = 33126786000.

The previous prime is 80809285483. The next prime is 80809285517. The reversal of 80809285508 is 80558290808.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 80809285508.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8958368 + ... + 8967383.

It is an arithmetic number, because the mean of its divisors is an integer number (4768250032).

Almost surely, 2^80809285508 is an apocalyptic number.

It is an amenable number.

80809285508 is an abundant number, since it is smaller than the sum of its proper divisors (90847715644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80809285508 is a wasteful number, since it uses less digits than its factorization.

80809285508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17925792 (or 17925783 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 53.

The spelling of 80809285508 in words is "eighty billion, eight hundred nine million, two hundred eighty-five thousand, five hundred eight".