80117518 has 8 divisors (see below), whose sum is σ = 129420648. Its totient is φ = 36977304.

The previous prime is 80117497. The next prime is 80117519. The reversal of 80117518 is 81571108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 80117518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80117519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540696 + ... + 1540747.

It is an arithmetic number, because the mean of its divisors is an integer number (16177581).

Almost surely, 2^80117518 is an apocalyptic number.

80117518 is a deficient number, since it is larger than the sum of its proper divisors (49303130).

80117518 is a wasteful number, since it uses less digits than its factorization.

80117518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081458.

The product of its (nonzero) digits is 2240, while the sum is 31.

The square root of 80117518 is about 8950.8389550924. The cubic root of 80117518 is about 431.0978221588.

The spelling of 80117518 in words is "eighty million, one hundred seventeen thousand, five hundred eighteen".