80716855 has 4 divisors (see below), whose sum is σ = 96860232. Its totient is φ = 64573480.

The previous prime is 80716837. The next prime is 80716861. The reversal of 80716855 is 55861708.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 80716855 - 2¹¹ = 80714807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8071681 + ... + 8071690.

It is an arithmetic number, because the mean of its divisors is an integer number (24215058).

Almost surely, 2^80716855 is an apocalyptic number.

80716855 is a deficient number, since it is larger than the sum of its proper divisors (16143377).

80716855 is a wasteful number, since it uses less digits than its factorization.

80716855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16143376.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 80716855 is about 8984.2559513852. The cubic root of 80716855 is about 432.1701272516.

The spelling of 80716855 in words is "eighty million, seven hundred sixteen thousand, eight hundred fifty-five".