82876907136 has 128 divisors (see below), whose sum is σ = 229399387200. Its totient is φ = 26477846528.

The previous prime is 82876907117. The next prime is 82876907143. The reversal of 82876907136 is 63170967828.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1498471 + ... + 1552793.

Almost surely, 2^82876907136 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 82876907136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114699693600).

82876907136 is an abundant number, since it is smaller than the sum of its proper divisors (146522480064).

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

82876907136 is a wasteful number, since it uses less digits than its factorization.

82876907136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54506 (or 54494 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 82876907136 in words is "eighty-two billion, eight hundred seventy-six million, nine hundred seven thousand, one hundred thirty-six".