80804268 has 18 divisors (see below), whose sum is σ = 204255324. Its totient is φ = 26934744.

The previous prime is 80804261. The next prime is 80804287. The reversal of 80804268 is 86240808.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2244563 = 80804268 / (8 + 0 + 8 + 0 + 4 + 2 + 6 + 8).

It is not an unprimeable number, because it can be changed into a prime (80804261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1122246 + ... + 1122317.

It is an arithmetic number, because the mean of its divisors is an integer number (11347518).

Almost surely, 2^80804268 is an apocalyptic number.

It is an amenable number.

80804268 is an abundant number, since it is smaller than the sum of its proper divisors (123451056).

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

80804268 is a wasteful number, since it uses less digits than its factorization.

80804268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244573 (or 2244568 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 80804268 is about 8989.1194229468. The cubic root of 80804268 is about 432.3260783990.

The spelling of 80804268 in words is "eighty million, eight hundred four thousand, two hundred sixty-eight".