84747076956 has 192 divisors, whose sum is σ = 231825162240. Its totient is φ = 26735754240.

The previous prime is 84747076867. The next prime is 84747076969. The reversal of 84747076956 is 65967074748.

84747076956 is a `hidden beast` number, since 8 + 4 + 7 + 470 + 76 + 95 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 84747076893 and 84747076902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76832701 + ... + 76833803.

It is an arithmetic number, because the mean of its divisors is an integer number (1207422720).

Almost surely, 2^84747076956 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 84747076956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115912581120).

84747076956 is an abundant number, since it is smaller than the sum of its proper divisors (147078085284).

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

84747076956 is a wasteful number, since it uses less digits than its factorization.

84747076956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 63.

The spelling of 84747076956 in words is "eighty-four billion, seven hundred forty-seven million, seventy-six thousand, nine hundred fifty-six".