75844954368 has 144 divisors (see below), whose sum is σ = 237480586560. Its totient is φ = 23794458624.

The previous prime is 75844954109. The next prime is 75844954439. The reversal of 75844954368 is 86345944857.

75844954368 is a `hidden beast` number, since 7 + 5 + 84 + 4 + 9 + 543 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205230 + ... + 440237.

It is an arithmetic number, because the mean of its divisors is an integer number (1649170740).

Almost surely, 2^75844954368 is an apocalyptic number.

It is an amenable number.

75844954368 is an abundant number, since it is smaller than the sum of its proper divisors (161635632192).

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

75844954368 is a wasteful number, since it uses less digits than its factorization.

75844954368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645509 (or 645489 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 63.

The spelling of 75844954368 in words is "seventy-five billion, eight hundred forty-four million, nine hundred fifty-four thousand, three hundred sixty-eight".