4926778638386 has 16 divisors (see below), whose sum is σ = 8069180434848. Its totient is φ = 2237450661600.

The previous prime is 4926778638361. The next prime is 4926778638407. The reversal of 4926778638386 is 6838368776294.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99683435 + ... + 99732846.

It is an arithmetic number, because the mean of its divisors is an integer number (504323777178).

Almost surely, 2^{4926778638386} is an apocalyptic number.

4926778638386 is a deficient number, since it is larger than the sum of its proper divisors (3142401796462).

4926778638386 is a wasteful number, since it uses less digits than its factorization.

4926778638386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199417417.

The product of its digits is 3511517184, while the sum is 77.

The spelling of 4926778638386 in words is "four trillion, nine hundred twenty-six billion, seven hundred seventy-eight million, six hundred thirty-eight thousand, three hundred eighty-six".