80029516659 has 8 divisors (see below), whose sum is σ = 112982847120. Its totient is φ = 50214598656.

The previous prime is 80029516621. The next prime is 80029516667. The reversal of 80029516659 is 95661592008.

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

It is not a de Polignac number, because 80029516659 - 2¹⁹ = 80028992371 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 1569206209 = 80029516659 / (8 + 0 + 0 + 2 + 9 + 5 + 1 + 6 + 6 + 5 + 9).

It is not an unprimeable number, because it can be changed into a prime (80029516759) 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, 784603054 + ... + 784603155.

It is an arithmetic number, because the mean of its divisors is an integer number (14122855890).

Almost surely, 2^80029516659 is an apocalyptic number.

80029516659 is a deficient number, since it is larger than the sum of its proper divisors (32953330461).

80029516659 is a wasteful number, since it uses less digits than its factorization.

80029516659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569206229.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 80029516659 in words is "eighty billion, twenty-nine million, five hundred sixteen thousand, six hundred fifty-nine".