80066863 has 4 divisors (see below), whose sum is σ = 81031608. Its totient is φ = 79102120.

The previous prime is 80066843. The next prime is 80066881. The reversal of 80066863 is 36866008.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80066863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80066843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482248 + ... + 482413.

It is an arithmetic number, because the mean of its divisors is an integer number (20257902).

Almost surely, 2^80066863 is an apocalyptic number.

80066863 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

80066863 is a deficient number, since it is larger than the sum of its proper divisors (964745).

80066863 is an equidigital number, since it uses as much as digits as its factorization.

80066863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964744.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 80066863 is about 8948.0088846626. The cubic root of 80066863 is about 431.0069478839.

The spelling of 80066863 in words is "eighty million, sixty-six thousand, eight hundred sixty-three".