80280811 has 8 divisors (see below), whose sum is σ = 87030944. Its totient is φ = 73612800.

The previous prime is 80280799. The next prime is 80280821. The reversal of 80280811 is 11808208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80280811 - 2¹⁵ = 80248043 is a prime.

It is a super-2 number, since 2×80280811² = 12890017229635442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80280811.

It is not an unprimeable number, because it can be changed into a prime (80280821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18486 + ... + 22411.

It is an arithmetic number, because the mean of its divisors is an integer number (10878868).

Almost surely, 2^80280811 is an apocalyptic number.

80280811 is a deficient number, since it is larger than the sum of its proper divisors (6750133).

80280811 is a wasteful number, since it uses less digits than its factorization.

80280811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41061.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 80280811 is about 8959.9559708740. The cubic root of 80280811 is about 431.3905067331.

The spelling of 80280811 in words is "eighty million, two hundred eighty thousand, eight hundred eleven".