80120017 has 16 divisors (see below), whose sum is σ = 88704000. Its totient is φ = 72026064.

The previous prime is 80119999. The next prime is 80120071. The reversal of 80120017 is 71002108.

It is not a de Polignac number, because 80120017 - 2¹¹ = 80117969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80119976 and 80120003.

It is not an unprimeable number, because it can be changed into a prime (80120317) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 60084 + ... + 61402.

It is an arithmetic number, because the mean of its divisors is an integer number (5544000).

Almost surely, 2^80120017 is an apocalyptic number.

It is an amenable number.

80120017 is a deficient number, since it is larger than the sum of its proper divisors (8583983).

80120017 is a wasteful number, since it uses less digits than its factorization.

80120017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 80120017 is about 8950.9785498570. The cubic root of 80120017 is about 431.1023043340.

The spelling of 80120017 in words is "eighty million, one hundred twenty thousand, seventeen".