4578954554878 has 16 divisors (see below), whose sum is σ = 7933589710704. Its totient is φ = 1958911039360.

The previous prime is 4578954554843. The next prime is 4578954554893. The reversal of 4578954554878 is 8784554598754.

It is a super-2 number, since 2×4578954554878² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4578954554798 and 4578954554807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6121596625 + ... + 6121597372.

It is an arithmetic number, because the mean of its divisors is an integer number (495849356919).

Almost surely, 2^{4578954554878} is an apocalyptic number.

4578954554878 is a deficient number, since it is larger than the sum of its proper divisors (3354635155826).

4578954554878 is a wasteful number, since it uses less digits than its factorization.

4578954554878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12243194027.

The product of its digits is 9031680000, while the sum is 79.

The spelling of 4578954554878 in words is "four trillion, five hundred seventy-eight billion, nine hundred fifty-four million, five hundred fifty-four thousand, eight hundred seventy-eight".