75488488457 has 16 divisors (see below), whose sum is σ = 80346511440. Its totient is φ = 70677430272.

The previous prime is 75488488451. The next prime is 75488488519.

75488488457 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 10392579136 + 65095909321 = 101944^2 + 255139^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75488488457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75488488451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4558769 + ... + 4575297.

It is an arithmetic number, because the mean of its divisors is an integer number (5021656965).

Almost surely, 2^75488488457 is an apocalyptic number.

It is an amenable number.

75488488457 is a deficient number, since it is larger than the sum of its proper divisors (4858022983).

75488488457 is a wasteful number, since it uses less digits than its factorization.

75488488457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17932.

The product of its digits is 321126400, while the sum is 68.

The spelling of 75488488457 in words is "seventy-five billion, four hundred eighty-eight million, four hundred eighty-eight thousand, four hundred fifty-seven".