80365000 has 40 divisors (see below), whose sum is σ = 188306910. Its totient is φ = 32144000.

The previous prime is 80364997. The next prime is 80365049. The reversal of 80365000 is 56308.

It can be written as a sum of positive squares in 5 ways, for example, as 334084 + 80030916 = 578^2 + 8946^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3037 + ... + 13036.

Almost surely, 2^80365000 is an apocalyptic number.

It is an amenable number.

80365000 is an abundant number, since it is smaller than the sum of its proper divisors (107941910).

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

80365000 is a wasteful number, since it uses less digits than its factorization.

80365000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16099 (or 16080 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 80365000 is about 8964.6528097858. The cubic root of 80365000 is about 431.5412511300.

The spelling of 80365000 in words is "eighty million, three hundred sixty-five thousand".