75486268457 has 8 divisors (see below), whose sum is σ = 76207387080. Its totient is φ = 74765669760.

The previous prime is 75486268453. The next prime is 75486268469.

75486268457 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 8268446761 + 67217821696 = 90931^2 + 259264^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 75486268457 - 2² = 75486268453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75486268457.

It is not an unprimeable number, because it can be changed into a prime (75486268453) 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, 164957 + ... + 422117.

It is an arithmetic number, because the mean of its divisors is an integer number (9525923385).

Almost surely, 2^75486268457 is an apocalyptic number.

It is an amenable number.

75486268457 is a deficient number, since it is larger than the sum of its proper divisors (721118623).

75486268457 is a wasteful number, since it uses less digits than its factorization.

75486268457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259963.

The product of its digits is 90316800, while the sum is 62.

The spelling of 75486268457 in words is "seventy-five billion, four hundred eighty-six million, two hundred sixty-eight thousand, four hundred fifty-seven".