7666886411 has 4 divisors (see below), whose sum is σ = 7671676824. Its totient is φ = 7662096000.

The previous prime is 7666886407. The next prime is 7666886413. The reversal of 7666886411 is 1146886667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1146886667 = 433 ⋅2648699.

It is a cyclic number.

It is not a de Polignac number, because 7666886411 - 2² = 7666886407 is a prime.

It is a super-3 number, since 3×7666886411³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7666886413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2392805 + ... + 2396006.

It is an arithmetic number, because the mean of its divisors is an integer number (1917919206).

Almost surely, 2^7666886411 is an apocalyptic number.

7666886411 is a deficient number, since it is larger than the sum of its proper divisors (4790413).

7666886411 is a wasteful number, since it uses less digits than its factorization.

7666886411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4790412.

The product of its digits is 2322432, while the sum is 53.

The square root of 7666886411 is about 87560.7583966699. The cubic root of 7666886411 is about 1971.8460720910.

The spelling of 7666886411 in words is "seven billion, six hundred sixty-six million, eight hundred eighty-six thousand, four hundred eleven".