75685858679 has 2 divisors, whose sum is σ = 75685858680. Its totient is φ = 75685858678.

The previous prime is 75685858649. The next prime is 75685858697. The reversal of 75685858679 is 97685858657.

Together with next prime (75685858697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75685858679 - 2¹² = 75685854583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75685858649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37842929339 + 37842929340.

It is an arithmetic number, because the mean of its divisors is an integer number (37842929340).

Almost surely, 2^75685858679 is an apocalyptic number.

75685858679 is a deficient number, since it is larger than the sum of its proper divisors (1).

75685858679 is an equidigital number, since it uses as much as digits as its factorization.

75685858679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064000, while the sum is 74.

The spelling of 75685858679 in words is "seventy-five billion, six hundred eighty-five million, eight hundred fifty-eight thousand, six hundred seventy-nine".