75486068457 has 4 divisors (see below), whose sum is σ = 100648091280. Its totient is φ = 50324045636.

The previous prime is 75486068443. The next prime is 75486068467.

75486068457 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75486068457 - 2¹⁴ = 75486052073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75486068457.

It is not an unprimeable number, because it can be changed into a prime (75486068467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12581011407 + ... + 12581011412.

It is an arithmetic number, because the mean of its divisors is an integer number (25162022820).

Almost surely, 2^75486068457 is an apocalyptic number.

It is an amenable number.

75486068457 is a deficient number, since it is larger than the sum of its proper divisors (25162022823).

75486068457 is a wasteful number, since it uses less digits than its factorization.

75486068457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25162022822.

The product of its (nonzero) digits is 45158400, while the sum is 60.

The spelling of 75486068457 in words is "seventy-five billion, four hundred eighty-six million, sixty-eight thousand, four hundred fifty-seven".