84784616240 has 20 divisors (see below), whose sum is σ = 197124232944. Its totient is φ = 33913846464.

The previous prime is 84784616233. The next prime is 84784616281. The reversal of 84784616240 is 4261648748.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 529903772 + ... + 529903931.

Almost surely, 2^84784616240 is an apocalyptic number.

84784616240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84784616240 is an abundant number, since it is smaller than the sum of its proper divisors (112339616704).

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

84784616240 is a wasteful number, since it uses less digits than its factorization.

84784616240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059807716 (or 1059807710 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 84784616240 in words is "eighty-four billion, seven hundred eighty-four million, six hundred sixteen thousand, two hundred forty".