75564323801 has 2 divisors, whose sum is σ = 75564323802. Its totient is φ = 75564323800.

The previous prime is 75564323713. The next prime is 75564323869. The reversal of 75564323801 is 10832346557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48314238025 + 27250085776 = 219805^2 + 165076^2 .

It is a cyclic number.

It is not a de Polignac number, because 75564323801 - 2¹⁰ = 75564322777 is a prime.

It is not a weakly prime, because it can be changed into another prime (75564323881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37782161900 + 37782161901.

It is an arithmetic number, because the mean of its divisors is an integer number (37782161901).

Almost surely, 2^75564323801 is an apocalyptic number.

It is an amenable number.

75564323801 is a deficient number, since it is larger than the sum of its proper divisors (1).

75564323801 is an equidigital number, since it uses as much as digits as its factorization.

75564323801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 75564323801 in words is "seventy-five billion, five hundred sixty-four million, three hundred twenty-three thousand, eight hundred one".