75666175677223 has 4 divisors (see below), whose sum is σ = 75814832211480. Its totient is φ = 75517519142968.

The previous prime is 75666175677119. The next prime is 75666175677227. The reversal of 75666175677223 is 32277657166657.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75666175677223 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 (75666175677227) 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 in 3 ways as a sum of consecutive naturals, for example, 74328266365 + ... + 74328267382.

It is an arithmetic number, because the mean of its divisors is an integer number (18953708052870).

Almost surely, 2^{75666175677223} is an apocalyptic number.

75666175677223 is a deficient number, since it is larger than the sum of its proper divisors (148656534257).

75666175677223 is a wasteful number, since it uses less digits than its factorization.

75666175677223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148656534256.

The product of its digits is 933508800, while the sum is 70.

The spelling of 75666175677223 in words is "seventy-five trillion, six hundred sixty-six billion, one hundred seventy-five million, six hundred seventy-seven thousand, two hundred twenty-three".