84051342064 has 20 divisors (see below), whose sum is σ = 172428856704. Its totient is φ = 39553572608.

The previous prime is 84051342043. The next prime is 84051342091. The reversal of 84051342064 is 46024315048.

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 3 ways as a sum of consecutive naturals, for example, 154505872 + ... + 154506415.

Almost surely, 2^84051342064 is an apocalyptic number.

It is an amenable number.

84051342064 is an abundant number, since it is smaller than the sum of its proper divisors (88377514640).

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

84051342064 is a wasteful number, since it uses less digits than its factorization.

84051342064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309012312 (or 309012306 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 84051342064 in words is "eighty-four billion, fifty-one million, three hundred forty-two thousand, sixty-four".