80816267 has 4 divisors (see below), whose sum is σ = 92361456. Its totient is φ = 69271080.

The previous prime is 80816233. The next prime is 80816269. The reversal of 80816267 is 76261808.

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

It is a cyclic number.

It is not a de Polignac number, because 80816267 - 2²⁶ = 13707403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80816267.

It is not an unprimeable number, because it can be changed into a prime (80816269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5772584 + ... + 5772597.

It is an arithmetic number, because the mean of its divisors is an integer number (23090364).

Almost surely, 2^80816267 is an apocalyptic number.

80816267 is a deficient number, since it is larger than the sum of its proper divisors (11545189).

80816267 is a wasteful number, since it uses less digits than its factorization.

80816267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11545188.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 80816267 is about 8989.7868161598. The cubic root of 80816267 is about 432.3474767070.

The spelling of 80816267 in words is "eighty million, eight hundred sixteen thousand, two hundred sixty-seven".