75774459079 has 6 divisors (see below), whose sum is σ = 83289281600. Its totient is φ = 68885871780.

The previous prime is 75774459073. The next prime is 75774459083. The reversal of 75774459079 is 97095447757.

It is a happy number.

It is not a de Polignac number, because 75774459079 - 2⁹ = 75774458567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75774459079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75774459073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313117479 + ... + 313117720.

Almost surely, 2^75774459079 is an apocalyptic number.

75774459079 is a deficient number, since it is larger than the sum of its proper divisors (7514822521).

75774459079 is a wasteful number, since it uses less digits than its factorization.

75774459079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626235221 (or 626235210 counting only the distinct ones).

The product of its (nonzero) digits is 77792400, while the sum is 64.

The spelling of 75774459079 in words is "seventy-five billion, seven hundred seventy-four million, four hundred fifty-nine thousand, seventy-nine".