4978766255922 has 48 divisors (see below), whose sum is σ = 10838240838360. Its totient is φ = 1651766501376.

The previous prime is 4978766255857. The next prime is 4978766255951. The reversal of 4978766255922 is 2295526678794.

4978766255922 is a `hidden beast` number, since 4 + 9 + 7 + 8 + 7 + 6 + 6 + 25 + 592 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3677339334321 + 1301426921601 = 1917639^2 + 1140801^2 .

It is a super-2 number, since 2×4978766255922² (a number of 26 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 5167704 + ... + 6054972.

Almost surely, 2^{4978766255922} is an apocalyptic number.

4978766255922 is an abundant number, since it is smaller than the sum of its proper divisors (5859474582438).

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

4978766255922 is a wasteful number, since it uses less digits than its factorization.

4978766255922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888747 (or 888744 counting only the distinct ones).

The product of its digits is 914457600, while the sum is 72.

The spelling of 4978766255922 in words is "four trillion, nine hundred seventy-eight billion, seven hundred sixty-six million, two hundred fifty-five thousand, nine hundred twenty-two".