75845981608 has 32 divisors (see below), whose sum is σ = 149286816000. Its totient is φ = 36077633280.

The previous prime is 75845981599. The next prime is 75845981623. The reversal of 75845981608 is 80618954857.

It is a super-2 number, since 2×75845981608² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 2577153 + ... + 2606416.

It is an arithmetic number, because the mean of its divisors is an integer number (4665213000).

Almost surely, 2^75845981608 is an apocalyptic number.

It is an amenable number.

75845981608 is a deficient number, since it is larger than the sum of its proper divisors (73440834392).

75845981608 is a wasteful number, since it uses less digits than its factorization.

75845981608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183665 (or 5183661 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 61.

The spelling of 75845981608 in words is "seventy-five billion, eight hundred forty-five million, nine hundred eighty-one thousand, six hundred eight".