2478477713568 has 24 divisors (see below), whose sum is σ = 6506003998368. Its totient is φ = 826159237824.

The previous prime is 2478477713567. The next prime is 2478477713599. The reversal of 2478477713568 is 8653177748742.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2478477713568² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2478477713567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12908737996 + ... + 12908738187.

It is an arithmetic number, because the mean of its divisors is an integer number (271083499932).

Almost surely, 2^{2478477713568} is an apocalyptic number.

It is an amenable number.

2478477713568 is an abundant number, since it is smaller than the sum of its proper divisors (4027526284800).

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

2478477713568 is a wasteful number, since it uses less digits than its factorization.

2478477713568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25817476196 (or 25817476188 counting only the distinct ones).

The product of its digits is 442552320, while the sum is 69.

The spelling of 2478477713568 in words is "two trillion, four hundred seventy-eight billion, four hundred seventy-seven million, seven hundred thirteen thousand, five hundred sixty-eight".