84476146986 has 192 divisors, whose sum is σ = 230871603456. Its totient is φ = 21685708800.

The previous prime is 84476146957. The next prime is 84476147017. The reversal of 84476146986 is 68964167448.

84476146986 is a `hidden beast` number, since 8 + 4 + 4 + 7 + 614 + 6 + 9 + 8 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 84729840 + ... + 84730836.

It is an arithmetic number, because the mean of its divisors is an integer number (1202456268).

Almost surely, 2^84476146986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84476146986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115435801728).

84476146986 is an abundant number, since it is smaller than the sum of its proper divisors (146395456470).

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

84476146986 is a wasteful number, since it uses less digits than its factorization.

84476146986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1674 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 63.

The spelling of 84476146986 in words is "eighty-four billion, four hundred seventy-six million, one hundred forty-six thousand, nine hundred eighty-six".