80172423299 has 8 divisors (see below), whose sum is σ = 80240092800. Its totient is φ = 80104787136.

The previous prime is 80172423263. The next prime is 80172423343. The reversal of 80172423299 is 99232427108.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 80172423299 - 2³² = 75877456003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80172423209) 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, 7078589 + ... + 7089905.

It is an arithmetic number, because the mean of its divisors is an integer number (10030011600).

Almost surely, 2^80172423299 is an apocalyptic number.

80172423299 is a deficient number, since it is larger than the sum of its proper divisors (67669501).

80172423299 is a wasteful number, since it uses less digits than its factorization.

80172423299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16669.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 80172423299 in words is "eighty billion, one hundred seventy-two million, four hundred twenty-three thousand, two hundred ninety-nine".