75522856658 has 6 divisors (see below), whose sum is σ = 113284867959. Its totient is φ = 37761234006.

The previous prime is 75522856621. The next prime is 75522856723. The reversal of 75522856658 is 85665822557.

It can be written as a sum of positive squares in only one way, i.e., 37761428329 + 37761428329 = 194323^2 + 194323^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=194323.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75522856597 and 75522856606.

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 2 ways as a sum of consecutive naturals, for example, 291485 + ... + 485807.

Almost surely, 2^75522856658 is an apocalyptic number.

75522856658 is a deficient number, since it is larger than the sum of its proper divisors (37762011301).

75522856658 is an frugal number, since it uses more digits than its factorization.

75522856658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388648 (or 194325 counting only the distinct ones).

The product of its digits is 40320000, while the sum is 59.

The spelling of 75522856658 in words is "seventy-five billion, five hundred twenty-two million, eight hundred fifty-six thousand, six hundred fifty-eight".