800338998321 has 8 divisors (see below), whose sum is σ = 1185687404960. Its totient is φ = 533559332196.

The previous prime is 800338998307. The next prime is 800338998323. The reversal of 800338998321 is 123899833008.

It is a happy number.

It is not a de Polignac number, because 800338998321 - 2⁶ = 800338998257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800338998323) 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, 14821092535 + ... + 14821092588.

It is an arithmetic number, because the mean of its divisors is an integer number (148210925620).

Almost surely, 2^800338998321 is an apocalyptic number.

It is an amenable number.

800338998321 is a deficient number, since it is larger than the sum of its proper divisors (385348406639).

800338998321 is a wasteful number, since it uses less digits than its factorization.

800338998321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29642185132 (or 29642185126 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 800338998321 in words is "eight hundred billion, three hundred thirty-eight million, nine hundred ninety-eight thousand, three hundred twenty-one".