75357475357 has 4 divisors (see below), whose sum is σ = 77956009020. Its totient is φ = 72758941696.

The previous prime is 75357475337. The next prime is 75357475381.

75357475357 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 15229040836 + 60128434521 = 123406^2 + 245211^2 .

It is a de Polignac number, because none of the positive numbers 2^k-75357475357 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75357475307) 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, 1299266788 + ... + 1299266845.

It is an arithmetic number, because the mean of its divisors is an integer number (19489002255).

Almost surely, 2^75357475357 is an apocalyptic number.

It is an amenable number.

75357475357 is a deficient number, since it is larger than the sum of its proper divisors (2598533663).

75357475357 is a wasteful number, since it uses less digits than its factorization.

75357475357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598533662.

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

The spelling of 75357475357 in words is "seventy-five billion, three hundred fifty-seven million, four hundred seventy-five thousand, three hundred fifty-seven".