8280663 has 4 divisors (see below), whose sum is σ = 11040888. Its totient is φ = 5520440.

The previous prime is 8280653. The next prime is 8280677. The reversal of 8280663 is 3660828.

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

It is a cyclic number.

It is not a de Polignac number, because 8280663 - 2⁸ = 8280407 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8280653) 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, 1380108 + ... + 1380113.

It is an arithmetic number, because the mean of its divisors is an integer number (2760222).

Almost surely, 2^8280663 is an apocalyptic number.

8280663 is a deficient number, since it is larger than the sum of its proper divisors (2760225).

8280663 is a wasteful number, since it uses less digits than its factorization.

8280663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760224.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 8280663 is about 2877.6141158953. The cubic root of 8280663 is about 202.3120279758.

The spelling of 8280663 in words is "eight million, two hundred eighty thousand, six hundred sixty-three".