80116815 has 8 divisors (see below), whose sum is σ = 128186928. Its totient is φ = 42728960.

The previous prime is 80116793. The next prime is 80116847. The reversal of 80116815 is 51861108.

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 80116815 - 2⁹ = 80116303 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2670546 + ... + 2670575.

It is an arithmetic number, because the mean of its divisors is an integer number (16023366).

Almost surely, 2^80116815 is an apocalyptic number.

80116815 is a deficient number, since it is larger than the sum of its proper divisors (48070113).

80116815 is a wasteful number, since it uses less digits than its factorization.

80116815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341129.

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 80116815 is about 8950.7996849444. The cubic root of 80116815 is about 431.0965612500.

The spelling of 80116815 in words is "eighty million, one hundred sixteen thousand, eight hundred fifteen".