280483663 has 8 divisors (see below), whose sum is σ = 297494208. Its totient is φ = 263529984.

The previous prime is 280483661. The next prime is 280483703. The reversal of 280483663 is 366384082.

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 280483663 - 2¹ = 280483661 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 (280483661) 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, 3831 + ... + 23992.

It is an arithmetic number, because the mean of its divisors is an integer number (37186776).

Almost surely, 2^280483663 is an apocalyptic number.

280483663 is a deficient number, since it is larger than the sum of its proper divisors (17010545).

280483663 is a wasteful number, since it uses less digits than its factorization.

280483663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28433.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 280483663 is about 16747.6464913730. The cubic root of 280483663 is about 654.5897343390.

The spelling of 280483663 in words is "two hundred eighty million, four hundred eighty-three thousand, six hundred sixty-three".