75707566133 has 16 divisors (see below), whose sum is σ = 77975654400. Its totient is φ = 73473636720.

The previous prime is 75707566057. The next prime is 75707566147. The reversal of 75707566133 is 33166570757.

It is a cyclic number.

It is not a de Polignac number, because 75707566133 - 2¹² = 75707562037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75707566183) 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, 7727468 + ... + 7737258.

It is an arithmetic number, because the mean of its divisors is an integer number (4873478400).

Almost surely, 2^75707566133 is an apocalyptic number.

It is an amenable number.

75707566133 is a deficient number, since it is larger than the sum of its proper divisors (2268088267).

75707566133 is a wasteful number, since it uses less digits than its factorization.

75707566133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11512.

The product of its (nonzero) digits is 2778300, while the sum is 50.

The spelling of 75707566133 in words is "seventy-five billion, seven hundred seven million, five hundred sixty-six thousand, one hundred thirty-three".