75944856818 has 8 divisors (see below), whose sum is σ = 113935213020. Its totient is φ = 37966452480.

The previous prime is 75944856811. The next prime is 75944856839. The reversal of 75944856818 is 81865844957.

It can be written as a sum of positive squares in 2 ways, for example, as 71378205889 + 4566650929 = 267167^2 + 67577^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (75944856811) by changing a digit.

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, 2972063 + ... + 2997506.

Almost surely, 2^75944856818 is an apocalyptic number.

75944856818 is a deficient number, since it is larger than the sum of its proper divisors (37990356202).

75944856818 is a wasteful number, since it uses less digits than its factorization.

75944856818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5975932.

The product of its digits is 77414400, while the sum is 65.

The spelling of 75944856818 in words is "seventy-five billion, nine hundred forty-four million, eight hundred fifty-six thousand, eight hundred eighteen".