75382828357 has 4 divisors (see below), whose sum is σ = 79817112396. Its totient is φ = 70948544320.

The previous prime is 75382828349. The next prime is 75382828397.

75382828357 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 53787350241 + 21595478116 = 231921^2 + 146954^2 .

It is a cyclic number.

It is not a de Polignac number, because 75382828357 - 2³ = 75382828349 is a prime.

It is a super-2 number, since 2×75382828357² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75382828307) 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, 2217141994 + ... + 2217142027.

It is an arithmetic number, because the mean of its divisors is an integer number (19954278099).

Almost surely, 2^75382828357 is an apocalyptic number.

It is an amenable number.

75382828357 is a deficient number, since it is larger than the sum of its proper divisors (4434284039).

75382828357 is a wasteful number, since it uses less digits than its factorization.

75382828357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434284038.

The product of its digits is 22579200, while the sum is 58.

The spelling of 75382828357 in words is "seventy-five billion, three hundred eighty-two million, eight hundred twenty-eight thousand, three hundred fifty-seven".