5578051746678 has 32 divisors (see below), whose sum is σ = 11641370976000. Its totient is φ = 1778475717216.

The previous prime is 5578051746667. The next prime is 5578051746691. The reversal of 5578051746678 is 8766471508755.

It is a super-2 number, since 2×5578051746678² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7561753 + ... + 8266571.

It is an arithmetic number, because the mean of its divisors is an integer number (363792843000).

Almost surely, 2^{5578051746678} is an apocalyptic number.

5578051746678 is an abundant number, since it is smaller than the sum of its proper divisors (6063319229322).

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

5578051746678 is a wasteful number, since it uses less digits than its factorization.

5578051746678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762196.

The product of its (nonzero) digits is 395136000, while the sum is 69.

The spelling of 5578051746678 in words is "five trillion, five hundred seventy-eight billion, fifty-one million, seven hundred forty-six thousand, six hundred seventy-eight".