82713213580 has 48 divisors (see below), whose sum is σ = 179644437504. Its totient is φ = 31956672960.

The previous prime is 82713213523. The next prime is 82713213613. The reversal of 82713213580 is 8531231728.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196719 + ... + 451801.

It is an arithmetic number, because the mean of its divisors is an integer number (3742592448).

Almost surely, 2^82713213580 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 82713213580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89822218752).

82713213580 is an abundant number, since it is smaller than the sum of its proper divisors (96931223924).

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

82713213580 is a wasteful number, since it uses less digits than its factorization.

82713213580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255646 (or 255644 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 82713213580 in words is "eighty-two billion, seven hundred thirteen million, two hundred thirteen thousand, five hundred eighty".