82081501308 has 84 divisors (see below), whose sum is σ = 215854969848. Its totient is φ = 27298308960.

The previous prime is 82081501303. The next prime is 82081501331. The reversal of 82081501308 is 80310518028.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82081501301) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1260018 + ... + 1323558.

It is an arithmetic number, because the mean of its divisors is an integer number (2569702022).

Almost surely, 2^82081501308 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 82081501308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107927484924).

82081501308 is an abundant number, since it is smaller than the sum of its proper divisors (133773468540).

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

82081501308 is a wasteful number, since it uses less digits than its factorization.

82081501308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64006 (or 63989 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The spelling of 82081501308 in words is "eighty-two billion, eighty-one million, five hundred one thousand, three hundred eight".