8321889797 has 16 divisors (see below), whose sum is σ = 9056420352. Its totient is φ = 7601014080.

The previous prime is 8321889773. The next prime is 8321889811. The reversal of 8321889797 is 7979881238.

It is a cyclic number.

It is not a de Polignac number, because 8321889797 - 2⁶ = 8321889733 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 (8321889727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1375463 + ... + 1381499.

It is an arithmetic number, because the mean of its divisors is an integer number (566026272).

Almost surely, 2^8321889797 is an apocalyptic number.

It is an amenable number.

8321889797 is a deficient number, since it is larger than the sum of its proper divisors (734530555).

8321889797 is a wasteful number, since it uses less digits than its factorization.

8321889797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7148.

The product of its digits is 12192768, while the sum is 62.

The square root of 8321889797 is about 91224.3925548425. The cubic root of 8321889797 is about 2026.4722147441.

The spelling of 8321889797 in words is "eight billion, three hundred twenty-one million, eight hundred eighty-nine thousand, seven hundred ninety-seven".