82878162432 has 240 divisors, whose sum is σ = 245573277840. Its totient is φ = 24808882176.

The previous prime is 82878162407. The next prime is 82878162439. The reversal of 82878162432 is 23426187828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82878162439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9600294 + ... + 9608922.

It is an arithmetic number, because the mean of its divisors is an integer number (1023221991).

Almost surely, 2^82878162432 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 82878162432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122786638920).

82878162432 is an abundant number, since it is smaller than the sum of its proper divisors (162695115408).

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

82878162432 is a wasteful number, since it uses less digits than its factorization.

82878162432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8713 (or 8684 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 51.

The spelling of 82878162432 in words is "eighty-two billion, eight hundred seventy-eight million, one hundred sixty-two thousand, four hundred thirty-two".