75705320503957 has 2 divisors, whose sum is σ = 75705320503958. Its totient is φ = 75705320503956.

The previous prime is 75705320503951. The next prime is 75705320504101. The reversal of 75705320503957 is 75930502350757.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40819653228676 + 34885667275281 = 6389026^2 + 5906409^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75705320503957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75705320503951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37852660251978 + 37852660251979.

It is an arithmetic number, because the mean of its divisors is an integer number (37852660251979).

Almost surely, 2^{75705320503957} is an apocalyptic number.

It is an amenable number.

75705320503957 is a deficient number, since it is larger than the sum of its proper divisors (1).

75705320503957 is an equidigital number, since it uses as much as digits as its factorization.

75705320503957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34728750, while the sum is 58.

The spelling of 75705320503957 in words is "seventy-five trillion, seven hundred five billion, three hundred twenty million, five hundred three thousand, nine hundred fifty-seven".