82865325612 has 54 divisors (see below), whose sum is σ = 202180518372. Its totient is φ = 26413515744.

The previous prime is 82865325583. The next prime is 82865325619. The reversal of 82865325612 is 21652356828.

It is not an unprimeable number, because it can be changed into a prime (82865325619) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22933518 + ... + 22937130.

Almost surely, 2^82865325612 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 82865325612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101090259186).

82865325612 is an abundant number, since it is smaller than the sum of its proper divisors (119315192760).

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

82865325612 is an equidigital number, since it uses as much as digits as its factorization.

82865325612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7279 (or 3641 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 48.

Multiplying 82865325612 by its sum of digits (48), we get a square (3977535629376 = 1994376²).

The spelling of 82865325612 in words is "eighty-two billion, eight hundred sixty-five million, three hundred twenty-five thousand, six hundred twelve".