75375457357 has 4 divisors (see below), whose sum is σ = 76121749116. Its totient is φ = 74629165600.

The previous prime is 75375457343. The next prime is 75375457427.

75375457357 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53133016036 + 22242441321 = 230506^2 + 149139^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75375457357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75375457657) 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 3 ways as a sum of consecutive naturals, for example, 373145728 + ... + 373145929.

It is an arithmetic number, because the mean of its divisors is an integer number (19030437279).

Almost surely, 2^75375457357 is an apocalyptic number.

It is an amenable number.

75375457357 is a deficient number, since it is larger than the sum of its proper divisors (746291759).

75375457357 is a wasteful number, since it uses less digits than its factorization.

75375457357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746291758.

The product of its digits is 54022500, while the sum is 58.

The spelling of 75375457357 in words is "seventy-five billion, three hundred seventy-five million, four hundred fifty-seven thousand, three hundred fifty-seven".