7478860753980 has 384 divisors, whose sum is σ = 29023308840960. Its totient is φ = 1553277876480.

The previous prime is 7478860753961. The next prime is 7478860753981. The reversal of 7478860753980 is 893570688747.

7478860753980 is a `hidden beast` number, since 7 + 4 + 7 + 8 + 8 + 6 + 0 + 7 + 539 + 80 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 7478860753899 and 7478860753908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7478860753981) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 85735947 + ... + 85823133.

It is an arithmetic number, because the mean of its divisors is an integer number (75581533440).

Almost surely, 2^{7478860753980} is an apocalyptic number.

7478860753980 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7478860753980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14511654420480).

7478860753980 is an abundant number, since it is smaller than the sum of its proper divisors (21544448086980).

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

7478860753980 is a wasteful number, since it uses less digits than its factorization.

7478860753980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89286 (or 89278 counting only the distinct ones).

The product of its (nonzero) digits is 568995840, while the sum is 72.

The spelling of 7478860753980 in words is "seven trillion, four hundred seventy-eight billion, eight hundred sixty million, seven hundred fifty-three thousand, nine hundred eighty".