80608820 has 12 divisors (see below), whose sum is σ = 169278564. Its totient is φ = 32243520.

The previous prime is 80608817. The next prime is 80608841. The reversal of 80608820 is 2880608.

It can be written as a sum of positive squares in 2 ways, for example, as 8596624 + 72012196 = 2932^2 + 8486^2 .

It is a congruent number.

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, 2015201 + ... + 2015240.

It is an arithmetic number, because the mean of its divisors is an integer number (14106547).

Almost surely, 2^80608820 is an apocalyptic number.

It is an amenable number.

80608820 is an abundant number, since it is smaller than the sum of its proper divisors (88669744).

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

80608820 is a wasteful number, since it uses less digits than its factorization.

80608820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030450 (or 4030448 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 80608820 is about 8978.2414759239. The cubic root of 80608820 is about 431.9772293096.

The spelling of 80608820 in words is "eighty million, six hundred eight thousand, eight hundred twenty".