84017850648 has 16 divisors (see below), whose sum is σ = 210044626680. Its totient is φ = 28005950208.

The previous prime is 84017850647. The next prime is 84017850659. The reversal of 84017850648 is 84605871048.

It is a self number, because there is not a number n which added to its sum of digits gives 84017850648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84017850647) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1750371865 + ... + 1750371912.

Almost surely, 2^84017850648 is an apocalyptic number.

It is an amenable number.

84017850648 is an abundant number, since it is smaller than the sum of its proper divisors (126026776032).

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

84017850648 is a wasteful number, since it uses less digits than its factorization.

84017850648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500743786 (or 3500743782 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 84017850648 in words is "eighty-four billion, seventeen million, eight hundred fifty thousand, six hundred forty-eight".