82428548828172 has 48 divisors (see below), whose sum is σ = 196815405346560. Its totient is φ = 26835939523008.

The previous prime is 82428548828161. The next prime is 82428548828183. The reversal of 82428548828172 is 27182884582428.

It is an interprime number because it is at equal distance from previous prime (82428548828161) and next prime (82428548828183).

It is a super-3 number, since 3×82428548828172³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82428548828097 and 82428548828106.

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, 7254058 + ... + 14747150.

It is an arithmetic number, because the mean of its divisors is an integer number (4100320944720).

Almost surely, 2^{82428548828172} is an apocalyptic number.

It is an amenable number.

82428548828172 is an abundant number, since it is smaller than the sum of its proper divisors (114386856518388).

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

82428548828172 is a wasteful number, since it uses less digits than its factorization.

82428548828172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7514462 (or 7514460 counting only the distinct ones).

The product of its digits is 293601280, while the sum is 69.

The spelling of 82428548828172 in words is "eighty-two trillion, four hundred twenty-eight billion, five hundred forty-eight million, eight hundred twenty-eight thousand, one hundred seventy-two".