78824002211066 has 16 divisors (see below), whose sum is σ = 135127719910080. Its totient is φ = 33781500489120.

The previous prime is 78824002211051. The next prime is 78824002211077. The reversal of 78824002211066 is 66011220042887.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 78824002211066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15604220 + ... + 20028471.

It is an arithmetic number, because the mean of its divisors is an integer number (8445482494380).

Almost surely, 2^{78824002211066} is an apocalyptic number.

78824002211066 is a deficient number, since it is larger than the sum of its proper divisors (56303717699014).

78824002211066 is a wasteful number, since it uses less digits than its factorization.

78824002211066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35790709.

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 78824002211066 in words is "seventy-eight trillion, eight hundred twenty-four billion, two million, two hundred eleven thousand, sixty-six".