117973297321 has 4 divisors (see below), whose sum is σ = 128698142544. Its totient is φ = 107248452100.

The previous prime is 117973297319. The next prime is 117973297333. The reversal of 117973297321 is 123792379711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117973297321 - 2¹ = 117973297319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117973292321) 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, 5362422595 + ... + 5362422616.

It is an arithmetic number, because the mean of its divisors is an integer number (32174535636).

Almost surely, 2^117973297321 is an apocalyptic number.

117973297321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117973297321 is a deficient number, since it is larger than the sum of its proper divisors (10724845223).

117973297321 is a wasteful number, since it uses less digits than its factorization.

117973297321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10724845222.

The product of its digits is 1000188, while the sum is 52.

The spelling of 117973297321 in words is "one hundred seventeen billion, nine hundred seventy-three million, two hundred ninety-seven thousand, three hundred twenty-one".