75093942779 has 8 divisors (see below), whose sum is σ = 75326108928. Its totient is φ = 74861867880.

The previous prime is 75093942773. The next prime is 75093942797. The reversal of 75093942779 is 97724939057.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75093942779 - 2²⁰ = 75092894203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75093942773) 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 7 ways as a sum of consecutive naturals, for example, 1864634 + ... + 1904480.

It is an arithmetic number, because the mean of its divisors is an integer number (9415763616).

Almost surely, 2^75093942779 is an apocalyptic number.

75093942779 is a deficient number, since it is larger than the sum of its proper divisors (232166149).

75093942779 is a wasteful number, since it uses less digits than its factorization.

75093942779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45625.

The product of its (nonzero) digits is 30005640, while the sum is 62.

The spelling of 75093942779 in words is "seventy-five billion, ninety-three million, nine hundred forty-two thousand, seven hundred seventy-nine".