80115989 has 8 divisors (see below), whose sum is σ = 86612640. Its totient is φ = 73847376.

The previous prime is 80115977. The next prime is 80116051. The reversal of 80115989 is 98951108.

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

It is not a de Polignac number, because 80115989 - 2²⁴ = 63338773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80115949) 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 in 7 ways as a sum of consecutive naturals, for example, 56279 + ... + 57684.

It is an arithmetic number, because the mean of its divisors is an integer number (10826580).

Almost surely, 2^80115989 is an apocalyptic number.

It is an amenable number.

80115989 is a deficient number, since it is larger than the sum of its proper divisors (6496651).

80115989 is a wasteful number, since it uses less digits than its factorization.

80115989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114019.

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 80115989 is about 8950.7535436968. The cubic root of 80115989 is about 431.0950797175.

The spelling of 80115989 in words is "eighty million, one hundred fifteen thousand, nine hundred eighty-nine".