84194789616 has 60 divisors (see below), whose sum is σ = 269289687472. Its totient is φ = 24055653888.

The previous prime is 84194789599. The next prime is 84194789663. The reversal of 84194789616 is 61698749148.

84194789616 is a `hidden beast` number, since 8 + 4 + 1 + 9 + 4 + 7 + 8 + 9 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41762281 + ... + 41764296.

Almost surely, 2^84194789616 is an apocalyptic number.

It is an amenable number.

84194789616 is an abundant number, since it is smaller than the sum of its proper divisors (185094897856).

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

84194789616 is a wasteful number, since it uses less digits than its factorization.

84194789616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83526598 (or 83526589 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The spelling of 84194789616 in words is "eighty-four billion, one hundred ninety-four million, seven hundred eighty-nine thousand, six hundred sixteen".