80365580 has 24 divisors (see below), whose sum is σ = 170804592. Its totient is φ = 31758272.

The previous prime is 80365561. The next prime is 80365589. The reversal of 80365580 is 8556308.

It is a self number, because there is not a number n which added to its sum of digits gives 80365580.

It is not an unprimeable number, because it can be changed into a prime (80365589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22547 + ... + 25866.

It is an arithmetic number, because the mean of its divisors is an integer number (7116858).

Almost surely, 2^80365580 is an apocalyptic number.

It is an amenable number.

80365580 is an abundant number, since it is smaller than the sum of its proper divisors (90439012).

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

80365580 is a wasteful number, since it uses less digits than its factorization.

80365580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48505 (or 48503 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 80365580 is about 8964.6851590003. The cubic root of 80365580 is about 431.5422892823.

The spelling of 80365580 in words is "eighty million, three hundred sixty-five thousand, five hundred eighty".