4790911778838 has 160 divisors (see below), whose sum is σ = 11052930662400. Its totient is φ = 1550510216640.

The previous prime is 4790911778837. The next prime is 4790911778909. The reversal of 4790911778838 is 8388771190974.

4790911778838 is a `hidden beast` number, since 479 + 0 + 9 + 1 + 1 + 7 + 78 + 83 + 8 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4790911778833) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 249738195 + ... + 249757377.

It is an arithmetic number, because the mean of its divisors is an integer number (69080816640).

Almost surely, 2^{4790911778838} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4790911778838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5526465331200).

4790911778838 is an abundant number, since it is smaller than the sum of its proper divisors (6262018883562).

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

4790911778838 is a wasteful number, since it uses less digits than its factorization.

4790911778838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19584 (or 19575 counting only the distinct ones).

The product of its (nonzero) digits is 170698752, while the sum is 72.

The spelling of 4790911778838 in words is "four trillion, seven hundred ninety billion, nine hundred eleven million, seven hundred seventy-eight thousand, eight hundred thirty-eight".