80287663 has 8 divisors (see below), whose sum is σ = 81582336. Its totient is φ = 78998400.

The previous prime is 80287657. The next prime is 80287667. The reversal of 80287663 is 36678208.

It is a happy number.

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 80287663 - 2¹⁷ = 80156591 is a prime.

It is a super-2 number, since 2×80287663² = 12892217660003138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80287667) 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, 36978 + ... + 39088.

It is an arithmetic number, because the mean of its divisors is an integer number (10197792).

Almost surely, 2^80287663 is an apocalyptic number.

80287663 is a deficient number, since it is larger than the sum of its proper divisors (1294673).

80287663 is a wasteful number, since it uses less digits than its factorization.

80287663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 80287663 is about 8960.3383306659. The cubic root of 80287663 is about 431.4027795026.

The spelling of 80287663 in words is "eighty million, two hundred eighty-seven thousand, six hundred sixty-three".