82989966528 has 448 divisors, whose sum is σ = 286486640640. Its totient is φ = 23357859840.

The previous prime is 82989966511. The next prime is 82989966581. The reversal of 82989966528 is 82566998928.

82989966528 is a `hidden beast` number, since 8 + 2 + 9 + 8 + 9 + 96 + 6 + 528 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

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

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, 69563500 + ... + 69564692.

Almost surely, 2^82989966528 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 82989966528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143243320320).

82989966528 is an abundant number, since it is smaller than the sum of its proper divisors (203496674112).

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

82989966528 is an equidigital number, since it uses as much as digits as its factorization.

82989966528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304 (or 1276 counting only the distinct ones).

The product of its digits is 268738560, while the sum is 72.

The spelling of 82989966528 in words is "eighty-two billion, nine hundred eighty-nine million, nine hundred sixty-six thousand, five hundred twenty-eight".