82732767142578 has 96 divisors (see below), whose sum is σ = 198381372112896. Its totient is φ = 22530300829344.

The previous prime is 82732767142561. The next prime is 82732767142637. The reversal of 82732767142578 is 87524176723728.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 291250 + ... + 12866637.

It is an arithmetic number, because the mean of its divisors is an integer number (2066472626176).

Almost surely, 2^{82732767142578} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82732767142578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99190686056448).

82732767142578 is an abundant number, since it is smaller than the sum of its proper divisors (115648604970318).

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

82732767142578 is a wasteful number, since it uses less digits than its factorization.

82732767142578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13158228 (or 13158205 counting only the distinct ones).

The product of its digits is 442552320, while the sum is 69.

The spelling of 82732767142578 in words is "eighty-two trillion, seven hundred thirty-two billion, seven hundred sixty-seven million, one hundred forty-two thousand, five hundred seventy-eight".