7847166476880 has 400 divisors, whose sum is σ = 28249496630784. Its totient is φ = 2025062622720.

The previous prime is 7847166476869. The next prime is 7847166476921. The reversal of 7847166476880 is 886746617487.

7847166476880 is a `hidden beast` number, since 7 + 8 + 4 + 71 + 6 + 6 + 476 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 7847166476799 and 7847166476808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 48733462 + ... + 48894218.

Almost surely, 2^{7847166476880} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7847166476880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14124748315392).

7847166476880 is an abundant number, since it is smaller than the sum of its proper divisors (20402330153904).

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

7847166476880 is an equidigital number, since it uses as much as digits as its factorization.

7847166476880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160828 (or 160798 counting only the distinct ones).

The product of its (nonzero) digits is 606928896, while the sum is 72.

The spelling of 7847166476880 in words is "seven trillion, eight hundred forty-seven billion, one hundred sixty-six million, four hundred seventy-six thousand, eight hundred eighty".