75748884691 has 4 divisors (see below), whose sum is σ = 76327120584. Its totient is φ = 75170648800.

The previous prime is 75748884677. The next prime is 75748884707. The reversal of 75748884691 is 19648884757.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19648884757 = 132631 ⋅148147.

It is a cyclic number.

It is not a de Polignac number, because 75748884691 - 2¹⁹ = 75748360403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75748834691) 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 3 ways as a sum of consecutive naturals, for example, 289117750 + ... + 289118011.

It is an arithmetic number, because the mean of its divisors is an integer number (19081780146).

Almost surely, 2^75748884691 is an apocalyptic number.

75748884691 is a deficient number, since it is larger than the sum of its proper divisors (578235893).

75748884691 is a wasteful number, since it uses less digits than its factorization.

75748884691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578235892.

The product of its digits is 108380160, while the sum is 67.

The spelling of 75748884691 in words is "seventy-five billion, seven hundred forty-eight million, eight hundred eighty-four thousand, six hundred ninety-one".