82351572018784 has 96 divisors (see below), whose sum is σ = 171906883848000. Its totient is φ = 38699478220800.

The previous prime is 82351572018763. The next prime is 82351572018847. The reversal of 82351572018784 is 48781027515328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2602011792 + ... + 2602043440.

It is an arithmetic number, because the mean of its divisors is an integer number (1790696706750).

Almost surely, 2^{82351572018784} 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 82351572018784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85953441924000).

82351572018784 is an abundant number, since it is smaller than the sum of its proper divisors (89555311829216).

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

82351572018784 is a wasteful number, since it uses less digits than its factorization.

82351572018784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38216 (or 38208 counting only the distinct ones).

The product of its (nonzero) digits is 30105600, while the sum is 61.

The spelling of 82351572018784 in words is "eighty-two trillion, three hundred fifty-one billion, five hundred seventy-two million, eighteen thousand, seven hundred eighty-four".