768686353333 has 4 divisors (see below), whose sum is σ = 795192779340. Its totient is φ = 742179927328.

The previous prime is 768686353327. The next prime is 768686353441. The reversal of 768686353333 is 333353686867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 333353686867 = 354353 ⋅940739.

It can be written as a sum of positive squares in 2 ways, for example, as 190443214404 + 578243138929 = 436398^2 + 760423^2 .

It is a cyclic number.

It is not a de Polignac number, because 768686353333 - 2¹⁷ = 768686222261 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 (768686353133) 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, 13253212960 + ... + 13253213017.

It is an arithmetic number, because the mean of its divisors is an integer number (198798194835).

Almost surely, 2^768686353333 is an apocalyptic number.

It is an amenable number.

768686353333 is a deficient number, since it is larger than the sum of its proper divisors (26506426007).

768686353333 is a wasteful number, since it uses less digits than its factorization.

768686353333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26506426006.

The product of its digits is 117573120, while the sum is 61.

The spelling of 768686353333 in words is "seven hundred sixty-eight billion, six hundred eighty-six million, three hundred fifty-three thousand, three hundred thirty-three".