82180429128 has 96 divisors (see below), whose sum is σ = 265427510400. Its totient is φ = 22459244544.

The previous prime is 82180429103. The next prime is 82180429159. The reversal of 82180429128 is 82192408128.

82180429128 is a `hidden beast` number, since 8 + 21 + 80 + 429 + 128 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3533113 + ... + 3556296.

It is an arithmetic number, because the mean of its divisors is an integer number (2764869900).

Almost surely, 2^82180429128 is an apocalyptic number.

It is an amenable number.

82180429128 is an abundant number, since it is smaller than the sum of its proper divisors (183247081272).

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

82180429128 is a wasteful number, since it uses less digits than its factorization.

82180429128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7089451 (or 7089444 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The spelling of 82180429128 in words is "eighty-two billion, one hundred eighty million, four hundred twenty-nine thousand, one hundred twenty-eight".