80860266 has 12 divisors (see below), whose sum is σ = 175197282. Its totient is φ = 26953416.

The previous prime is 80860261. The next prime is 80860301. The reversal of 80860266 is 66206808.

It can be written as a sum of positive squares in only one way, i.e., 51538041 + 29322225 = 7179^2 + 5415^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 80860266.

It is not an unprimeable number, because it can be changed into a prime (80860261) 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 5 ways as a sum of consecutive naturals, for example, 2246101 + ... + 2246136.

Almost surely, 2^80860266 is an apocalyptic number.

80860266 is an abundant number, since it is smaller than the sum of its proper divisors (94337016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80860266 is a wasteful number, since it uses less digits than its factorization.

80860266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492245 (or 4492242 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 80860266 is about 8992.2336490996. The cubic root of 80860266 is about 432.4259238075.

The spelling of 80860266 in words is "eighty million, eight hundred sixty thousand, two hundred sixty-six".