84508458648 has 32 divisors (see below), whose sum is σ = 214734611760. Its totient is φ = 27707690880.

The previous prime is 84508458637. The next prime is 84508458659. The reversal of 84508458648 is 84685480548.

It is an interprime number because it is at equal distance from previous prime (84508458637) and next prime (84508458659).

It is a junction number, because it is equal to n+sod(n) for n = 84508458591 and 84508458600.

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 7 ways as a sum of consecutive naturals, for example, 28860715 + ... + 28863642.

Almost surely, 2^84508458648 is an apocalyptic number.

It is an amenable number.

84508458648 is an abundant number, since it is smaller than the sum of its proper divisors (130226153112).

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

84508458648 is a wasteful number, since it uses less digits than its factorization.

84508458648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57724427 (or 57724423 counting only the distinct ones).

The product of its (nonzero) digits is 39321600, while the sum is 60.

The spelling of 84508458648 in words is "eighty-four billion, five hundred eight million, four hundred fifty-eight thousand, six hundred forty-eight".