7776666333 has 8 divisors (see below), whose sum is σ = 11520987200. Its totient is φ = 5184444204.

The previous prime is 7776666323. The next prime is 7776666341. The reversal of 7776666333 is 3336666777.

It is not a de Polignac number, because 7776666333 - 2⁵ = 7776666301 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 7776666333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7776666323) 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, 144012313 + ... + 144012366.

It is an arithmetic number, because the mean of its divisors is an integer number (1440123400).

Almost surely, 2^7776666333 is an apocalyptic number.

It is an amenable number.

7776666333 is a deficient number, since it is larger than the sum of its proper divisors (3744320867).

7776666333 is a wasteful number, since it uses less digits than its factorization.

7776666333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288024688 (or 288024682 counting only the distinct ones).

The product of its digits is 12002256, while the sum is 54.

The square root of 7776666333 is about 88185.4088440939. The cubic root of 7776666333 is about 1981.2129367917.

The spelling of 7776666333 in words is "seven billion, seven hundred seventy-six million, six hundred sixty-six thousand, three hundred thirty-three".