78233111333 has 4 divisors (see below), whose sum is σ = 84251042988. Its totient is φ = 72215179680.

The previous prime is 78233111317. The next prime is 78233111357. The reversal of 78233111333 is 33311133287.

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 20909738404 + 57323372929 = 144602^2 + 239423^2 .

It is a cyclic number.

It is not a de Polignac number, because 78233111333 - 2⁴ = 78233111317 is a prime.

It is a super-2 number, since 2×78233111333² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78233111293 and 78233111302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78233111533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3008965808 + ... + 3008965833.

It is an arithmetic number, because the mean of its divisors is an integer number (21062760747).

Almost surely, 2^78233111333 is an apocalyptic number.

It is an amenable number.

78233111333 is a deficient number, since it is larger than the sum of its proper divisors (6017931655).

78233111333 is a wasteful number, since it uses less digits than its factorization.

78233111333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017931654.

The product of its digits is 27216, while the sum is 35.

The spelling of 78233111333 in words is "seventy-eight billion, two hundred thirty-three million, one hundred eleven thousand, three hundred thirty-three".