75775600853257 has 4 divisors (see below), whose sum is σ = 75775704367636. Its totient is φ = 75775497338880.

The previous prime is 75775600853171. The next prime is 75775600853273. The reversal of 75775600853257 is 75235800657757.

It is a happy number.

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 23764806007056 + 52010794846201 = 4874916^2 + 7211851^2 .

It is a cyclic number.

It is not a de Polignac number, because 75775600853257 - 2³⁹ = 75225845039369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75775600853192 and 75775600853201.

It is not an unprimeable number, because it can be changed into a prime (75775600853297) 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, 50651268 + ... + 52125829.

It is an arithmetic number, because the mean of its divisors is an integer number (18943926091909).

Almost surely, 2^{75775600853257} is an apocalyptic number.

It is an amenable number.

75775600853257 is a deficient number, since it is larger than the sum of its proper divisors (103514379).

75775600853257 is a wasteful number, since it uses less digits than its factorization.

75775600853257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103514378.

The product of its (nonzero) digits is 432180000, while the sum is 67.

The spelling of 75775600853257 in words is "seventy-five trillion, seven hundred seventy-five billion, six hundred million, eight hundred fifty-three thousand, two hundred fifty-seven".