880663321 has 4 divisors (see below), whose sum is σ = 881259444. Its totient is φ = 880067200.

The previous prime is 880663309. The next prime is 880663331. The reversal of 880663321 is 123366088.

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

It can be written as a sum of positive squares in 2 ways, for example, as 302934025 + 577729296 = 17405^2 + 24036^2 .

It is a cyclic number.

It is not a de Polignac number, because 880663321 - 2⁷ = 880663193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (880663331) 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, 295840 + ... + 298801.

It is an arithmetic number, because the mean of its divisors is an integer number (220314861).

Almost surely, 2^880663321 is an apocalyptic number.

It is an amenable number.

880663321 is a deficient number, since it is larger than the sum of its proper divisors (596123).

880663321 is a wasteful number, since it uses less digits than its factorization.

880663321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596122.

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

The square root of 880663321 is about 29675.9721155011. The cubic root of 880663321 is about 958.5246874114.

It can be divided in two parts, 8806 and 63321, that added together give a palindrome (72127).

The spelling of 880663321 in words is "eight hundred eighty million, six hundred sixty-three thousand, three hundred twenty-one".