82278408108 has 144 divisors (see below), whose sum is σ = 218961980160. Its totient is φ = 23900842368.

The previous prime is 82278408101. The next prime is 82278408131. The reversal of 82278408108 is 80180487228.

It is not an unprimeable number, because it can be changed into a prime (82278408101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17286633 + ... + 17291391.

Almost surely, 2^82278408108 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 82278408108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109480990080).

82278408108 is an abundant number, since it is smaller than the sum of its proper divisors (136683572052).

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

82278408108 is a wasteful number, since it uses less digits than its factorization.

82278408108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124 (or 5103 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 48.

The spelling of 82278408108 in words is "eighty-two billion, two hundred seventy-eight million, four hundred eight thousand, one hundred eight".