80436016 has 10 divisors (see below), whose sum is σ = 155844812. Its totient is φ = 40218000.

The previous prime is 80436001. The next prime is 80436017. The reversal of 80436016 is 61063408.

It is not an unprimeable number, because it can be changed into a prime (80436017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2513610 + ... + 2513641.

Almost surely, 2^80436016 is an apocalyptic number.

It is an amenable number.

80436016 is a deficient number, since it is larger than the sum of its proper divisors (75408796).

80436016 is a wasteful number, since it uses less digits than its factorization.

80436016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027259 (or 5027253 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 80436016 is about 8968.6128247349. The cubic root of 80436016 is about 431.6683268091.

The spelling of 80436016 in words is "eighty million, four hundred thirty-six thousand, sixteen".