75466666427 has 2 divisors, whose sum is σ = 75466666428. Its totient is φ = 75466666426.

The previous prime is 75466666397. The next prime is 75466666463. The reversal of 75466666427 is 72466666457.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75466666427 - 2¹² = 75466662331 is a prime.

It is not a weakly prime, because it can be changed into another prime (75466666927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37733333213 + 37733333214.

It is an arithmetic number, because the mean of its divisors is an integer number (37733333214).

Almost surely, 2^75466666427 is an apocalyptic number.

75466666427 is a deficient number, since it is larger than the sum of its proper divisors (1).

75466666427 is an equidigital number, since it uses as much as digits as its factorization.

75466666427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60963840, while the sum is 59.

The spelling of 75466666427 in words is "seventy-five billion, four hundred sixty-six million, six hundred sixty-six thousand, four hundred twenty-seven".