4978782878794 has 32 divisors (see below), whose sum is σ = 7667195120640. Its totient is φ = 2424152156400.

The previous prime is 4978782878753. The next prime is 4978782878803.

4978782878794 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2635909 + ... + 4111639.

It is an arithmetic number, because the mean of its divisors is an integer number (239599847520).

Almost surely, 2^{4978782878794} is an apocalyptic number.

4978782878794 is a deficient number, since it is larger than the sum of its proper divisors (2688412241846).

4978782878794 is a wasteful number, since it uses less digits than its factorization.

4978782878794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476106.

The product of its digits is 25491013632, while the sum is 88.

The spelling of 4978782878794 in words is "four trillion, nine hundred seventy-eight billion, seven hundred eighty-two million, eight hundred seventy-eight thousand, seven hundred ninety-four".