80436204 has 18 divisors (see below), whose sum is σ = 203324940. Its totient is φ = 26812056.

The previous prime is 80436203. The next prime is 80436211. The reversal of 80436204 is 40263408.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (80436203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1117134 + ... + 1117205.

It is an arithmetic number, because the mean of its divisors is an integer number (11295830).

Almost surely, 2^80436204 is an apocalyptic number.

It is an amenable number.

80436204 is an abundant number, since it is smaller than the sum of its proper divisors (122888736).

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

80436204 is a wasteful number, since it uses less digits than its factorization.

80436204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234349 (or 2234344 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 80436204 is about 8968.6233057254. The cubic root of 80436204 is about 431.6686631161.

The spelling of 80436204 in words is "eighty million, four hundred thirty-six thousand, two hundred four".