280230863 has 8 divisors (see below), whose sum is σ = 308734416. Its totient is φ = 252232000.

The previous prime is 280230851. The next prime is 280230869. The reversal of 280230863 is 368032082.

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 280230863 - 2¹² = 280226767 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 (280230869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125006 + ... + 127227.

It is an arithmetic number, because the mean of its divisors is an integer number (38591802).

Almost surely, 2^280230863 is an apocalyptic number.

280230863 is a deficient number, since it is larger than the sum of its proper divisors (28503553).

280230863 is a wasteful number, since it uses less digits than its factorization.

280230863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252345.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 280230863 is about 16740.0974608871. The cubic root of 280230863 is about 654.3930145921.

The spelling of 280230863 in words is "two hundred eighty million, two hundred thirty thousand, eight hundred sixty-three".