4997968866 has 64 divisors (see below), whose sum is σ = 12534134400. Its totient is φ = 1462305600.

The previous prime is 4997968853. The next prime is 4997968879. The reversal of 4997968866 is 6688697994.

4997968866 is a `hidden beast` number, since 499 + 79 + 6 + 8 + 8 + 66 = 666.

It is an interprime number because it is at equal distance from previous prime (4997968853) and next prime (4997968879).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4997968794 and 4997968803.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 127845 + ... + 162296.

It is an arithmetic number, because the mean of its divisors is an integer number (195845850).

Almost surely, 2^4997968866 is an apocalyptic number.

4997968866 is an abundant number, since it is smaller than the sum of its proper divisors (7536165534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4997968866 is a wasteful number, since it uses less digits than its factorization.

4997968866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290192 (or 290186 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 72.

The square root of 4997968866 is about 70696.3143735230. The cubic root of 4997968866 is about 1709.7443692973.

The spelling of 4997968866 in words is "four billion, nine hundred ninety-seven million, nine hundred sixty-eight thousand, eight hundred sixty-six".