80017018 has 16 divisors (see below), whose sum is σ = 127260000. Its totient is φ = 37627632.

The previous prime is 80017013. The next prime is 80017019. The reversal of 80017018 is 81071008.

It is a super-2 number, since 2×80017018² = 12805446339224648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80016983 and 80017001.

It is not an unprimeable number, because it can be changed into a prime (80017013) 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, 2293 + ... + 12856.

It is an arithmetic number, because the mean of its divisors is an integer number (7953750).

Almost surely, 2^80017018 is an apocalyptic number.

80017018 is a deficient number, since it is larger than the sum of its proper divisors (47242982).

80017018 is a wasteful number, since it uses less digits than its factorization.

80017018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15309.

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 80017018 is about 8945.2231945324. The cubic root of 80017018 is about 430.9174893148.

The spelling of 80017018 in words is "eighty million, seventeen thousand, eighteen".