4878757816956 has 36 divisors (see below), whose sum is σ = 12346413874704. Its totient is φ = 1624406678400.

The previous prime is 4878757816913. The next prime is 4878757816957. The reversal of 4878757816956 is 6596187578784.

4878757816956 is a `hidden beast` number, since 487 + 8 + 7 + 5 + 7 + 81 + 6 + 9 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4878757816956² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4878757816957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76881480 + ... + 76944911.

It is an arithmetic number, because the mean of its divisors is an integer number (342955940964).

Almost surely, 2^{4878757816956} is an apocalyptic number.

It is an amenable number.

4878757816956 is an abundant number, since it is smaller than the sum of its proper divisors (7467656057748).

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

4878757816956 is a wasteful number, since it uses less digits than its factorization.

4878757816956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153827282 (or 153827277 counting only the distinct ones).

The product of its digits is 5689958400, while the sum is 81.

The spelling of 4878757816956 in words is "four trillion, eight hundred seventy-eight billion, seven hundred fifty-seven million, eight hundred sixteen thousand, nine hundred fifty-six".