80637099 has 8 divisors (see below), whose sum is σ = 107714880. Its totient is φ = 53658696.

The previous prime is 80637079. The next prime is 80637127. The reversal of 80637099 is 99073608.

It is a happy number.

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

It is not a de Polignac number, because 80637099 - 2⁷ = 80636971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80637099.

It is not an unprimeable number, because it can be changed into a prime (80637079) 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, 22929 + ... + 26210.

It is an arithmetic number, because the mean of its divisors is an integer number (13464360).

Almost surely, 2^80637099 is an apocalyptic number.

80637099 is a deficient number, since it is larger than the sum of its proper divisors (27077781).

80637099 is a wasteful number, since it uses less digits than its factorization.

80637099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49689.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 80637099 is about 8979.8162007916. The cubic root of 80637099 is about 432.0277384881.

The spelling of 80637099 in words is "eighty million, six hundred thirty-seven thousand, ninety-nine".