84672427648 has 32 divisors (see below), whose sum is σ = 168716640420. Its totient is φ = 42327859200.

The previous prime is 84672427577. The next prime is 84672427649.

84672427648 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 63661345344 + 21011082304 = 252312^2 + 144952^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 84672427592 and 84672427601.

It is not an unprimeable number, because it can be changed into a prime (84672427649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613338 + ... + 738598.

Almost surely, 2^84672427648 is an apocalyptic number.

It is an amenable number.

84672427648 is a deficient number, since it is larger than the sum of its proper divisors (84044212772).

84672427648 is a wasteful number, since it uses less digits than its factorization.

84672427648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130556 (or 130544 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 58.

The spelling of 84672427648 in words is "eighty-four billion, six hundred seventy-two million, four hundred twenty-seven thousand, six hundred forty-eight".