5478634686750 has 128 divisors (see below), whose sum is σ = 14067064043136. Its totient is φ = 1419175296000.

The previous prime is 5478634686731. The next prime is 5478634686757. The reversal of 5478634686750 is 576864368745.

It is a super-3 number, since 3×5478634686750³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478634686757) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16961760 + ... + 17281740.

It is an arithmetic number, because the mean of its divisors is an integer number (109898937837).

Almost surely, 2^{5478634686750} is an apocalyptic number.

5478634686750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5478634686750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7033532021568).

5478634686750 is an abundant number, since it is smaller than the sum of its proper divisors (8588429356386).

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

5478634686750 is a wasteful number, since it uses less digits than its factorization.

5478634686750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320655 (or 320645 counting only the distinct ones).

The product of its (nonzero) digits is 812851200, while the sum is 69.

The spelling of 5478634686750 in words is "five trillion, four hundred seventy-eight billion, six hundred thirty-four million, six hundred eighty-six thousand, seven hundred fifty".