80766267 has 4 divisors (see below), whose sum is σ = 107688360. Its totient is φ = 53844176.

The previous prime is 80766241. The next prime is 80766277. The reversal of 80766267 is 76266708.

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 80766267 - 2¹⁹ = 80241979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80766277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13461042 + ... + 13461047.

It is an arithmetic number, because the mean of its divisors is an integer number (26922090).

Almost surely, 2^80766267 is an apocalyptic number.

80766267 is a deficient number, since it is larger than the sum of its proper divisors (26922093).

80766267 is a wasteful number, since it uses less digits than its factorization.

80766267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26922092.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 80766267 is about 8987.0054523184. The cubic root of 80766267 is about 432.2582956783.

The spelling of 80766267 in words is "eighty million, seven hundred sixty-six thousand, two hundred sixty-seven".