4878144296505 has 24 divisors (see below), whose sum is σ = 8461375558272. Its totient is φ = 2599853744544.

The previous prime is 4878144296453. The next prime is 4878144296513. The reversal of 4878144296505 is 5056924418784.

It is a happy number.

4878144296505 is a `hidden beast` number, since 4 + 8 + 7 + 81 + 4 + 42 + 9 + 6 + 505 = 666.

It is not a de Polignac number, because 4878144296505 - 2¹⁰ = 4878144295481 is a prime.

It is a super-2 number, since 2×4878144296505² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37918689 + ... + 38047118.

It is an arithmetic number, because the mean of its divisors is an integer number (352557314928).

Almost surely, 2^{4878144296505} is an apocalyptic number.

4878144296505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4878144296505 is a deficient number, since it is larger than the sum of its proper divisors (3583231261767).

4878144296505 is a wasteful number, since it uses less digits than its factorization.

4878144296505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75967245 (or 75967242 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 4878144296505 in words is "four trillion, eight hundred seventy-eight billion, one hundred forty-four million, two hundred ninety-six thousand, five hundred five".