75454577545457 has 16 divisors (see below), whose sum is σ = 82404098884800. Its totient is φ = 68520076934400.

The previous prime is 75454577545397. The next prime is 75454577545463.

75454577545457 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 75454577545457 - 2¹⁰ = 75454577544433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75454577505457) 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 15 ways as a sum of consecutive naturals, for example, 82545482 + ... + 83454572.

It is an arithmetic number, because the mean of its divisors is an integer number (5150256180300).

Almost surely, 2^{75454577545457} is an apocalyptic number.

It is an amenable number.

75454577545457 is a deficient number, since it is larger than the sum of its proper divisors (6949521339343).

75454577545457 is a wasteful number, since it uses less digits than its factorization.

75454577545457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917344.

The product of its digits is 9604000000, while the sum is 74.

The spelling of 75454577545457 in words is "seventy-five trillion, four hundred fifty-four billion, five hundred seventy-seven million, five hundred forty-five thousand, four hundred fifty-seven".