82454845428 has 48 divisors (see below), whose sum is σ = 221143272000. Its totient is φ = 26537190624.

The previous prime is 82454845387. The next prime is 82454845439.

82454845428 is a `hidden beast` number, since 8 + 24 + 548 + 4 + 54 + 28 = 666.

82454845428 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13160158 + ... + 13166421.

It is an arithmetic number, because the mean of its divisors is an integer number (4607151500).

Almost surely, 2^82454845428 is an apocalyptic number.

It is an amenable number.

82454845428 is an abundant number, since it is smaller than the sum of its proper divisors (138688426572).

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

82454845428 is a wasteful number, since it uses less digits than its factorization.

82454845428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26326621 (or 26326613 counting only the distinct ones).

The product of its digits is 13107200, while the sum is 54.

The spelling of 82454845428 in words is "eighty-two billion, four hundred fifty-four million, eight hundred forty-five thousand, four hundred twenty-eight".