75257675257 has 8 divisors (see below), whose sum is σ = 76209418656. Its totient is φ = 74307004032.

The previous prime is 75257675231. The next prime is 75257675287.

75257675257 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75257675257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75257675287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126303 + ... + 408004.

It is an arithmetic number, because the mean of its divisors is an integer number (9526177332).

Almost surely, 2^75257675257 is an apocalyptic number.

It is an amenable number.

75257675257 is a deficient number, since it is larger than the sum of its proper divisors (951743399).

75257675257 is a wasteful number, since it uses less digits than its factorization.

75257675257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536087.

The product of its digits is 36015000, while the sum is 58.

The spelling of 75257675257 in words is "seventy-five billion, two hundred fifty-seven million, six hundred seventy-five thousand, two hundred fifty-seven".