84194257536 has 96 divisors (see below), whose sum is σ = 244127632320. Its totient is φ = 27850467840.

The previous prime is 84194257531. The next prime is 84194257561. The reversal of 84194257536 is 63575249148.

It is a happy number.

84194257536 is a `hidden beast` number, since 8 + 4 + 19 + 42 + 57 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (84194257531) by changing a digit.

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, 128040 + ... + 429863.

It is an arithmetic number, because the mean of its divisors is an integer number (2542996170).

Almost surely, 2^84194257536 is an apocalyptic number.

It is an amenable number.

84194257536 is an abundant number, since it is smaller than the sum of its proper divisors (159933374784).

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

84194257536 is a wasteful number, since it uses less digits than its factorization.

84194257536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558054 (or 558039 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 84194257536 in words is "eighty-four billion, one hundred ninety-four million, two hundred fifty-seven thousand, five hundred thirty-six".