80609836 has 6 divisors (see below), whose sum is σ = 141067220. Its totient is φ = 40304916.

The previous prime is 80609833. The next prime is 80609863. The reversal of 80609836 is 63890608.

It is not an unprimeable number, because it can be changed into a prime (80609833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076226 + ... + 10076233.

Almost surely, 2^80609836 is an apocalyptic number.

It is an amenable number.

80609836 is a deficient number, since it is larger than the sum of its proper divisors (60457384).

80609836 is a wasteful number, since it uses less digits than its factorization.

80609836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20152463 (or 20152461 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 80609836 is about 8978.2980569816. The cubic root of 80609836 is about 431.9790441938.

The spelling of 80609836 in words is "eighty million, six hundred nine thousand, eight hundred thirty-six".