8277776666 has 8 divisors (see below), whose sum is σ = 12420319680. Its totient is φ = 4137670108.

The previous prime is 8277776627. The next prime is 8277776669. The reversal of 8277776666 is 6666777728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×8277776666³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8277776599 and 8277776608.

It is not an unprimeable number, because it can be changed into a prime (8277776669) 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, 600596 + ... + 614223.

It is an arithmetic number, because the mean of its divisors is an integer number (1552539960).

Almost surely, 2^8277776666 is an apocalyptic number.

8277776666 is a deficient number, since it is larger than the sum of its proper divisors (4142543014).

8277776666 is a wasteful number, since it uses less digits than its factorization.

8277776666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218228.

The product of its digits is 49787136, while the sum is 62.

The square root of 8277776666 is about 90982.2876498497. The cubic root of 8277776666 is about 2022.8851907142.

The spelling of 8277776666 in words is "eight billion, two hundred seventy-seven million, seven hundred seventy-six thousand, six hundred sixty-six".