82054847172 has 24 divisors (see below), whose sum is σ = 202723740576. Its totient is φ = 25742697088.

The previous prime is 82054847153. The next prime is 82054847191. The reversal of 82054847172 is 27174845028.

It is an interprime number because it is at equal distance from previous prime (82054847153) and next prime (82054847191).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201114618 + ... + 201115025.

It is an arithmetic number, because the mean of its divisors is an integer number (8446822524).

Almost surely, 2^82054847172 is an apocalyptic number.

It is an amenable number.

82054847172 is an abundant number, since it is smaller than the sum of its proper divisors (120668893404).

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

82054847172 is a wasteful number, since it uses less digits than its factorization.

82054847172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402229667 (or 402229665 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 48.

The spelling of 82054847172 in words is "eighty-two billion, fifty-four million, eight hundred forty-seven thousand, one hundred seventy-two".