8555466979 has 4 divisors (see below), whose sum is σ = 8683160584. Its totient is φ = 8427773376.

The previous prime is 8555466973. The next prime is 8555466989. The reversal of 8555466979 is 9796645558.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8555466979 - 2³¹ = 6407983331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8555466979.

It is not an unprimeable number, because it can be changed into a prime (8555466973) 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, 63846702 + ... + 63846835.

It is an arithmetic number, because the mean of its divisors is an integer number (2170790146).

Almost surely, 2^8555466979 is an apocalyptic number.

8555466979 is a deficient number, since it is larger than the sum of its proper divisors (127693605).

8555466979 is a wasteful number, since it uses less digits than its factorization.

8555466979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127693604.

The product of its digits is 81648000, while the sum is 64.

The square root of 8555466979 is about 92495.7673572148. The cubic root of 8555466979 is about 2045.2570882522.

The spelling of 8555466979 in words is "eight billion, five hundred fifty-five million, four hundred sixty-six thousand, nine hundred seventy-nine".