75385764417 has 4 divisors (see below), whose sum is σ = 100514352560. Its totient is φ = 50257176276.

The previous prime is 75385764361. The next prime is 75385764437. The reversal of 75385764417 is 71446758357.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 75385764417 - 2¹⁰ = 75385763393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75385764437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12564294067 + ... + 12564294072.

It is an arithmetic number, because the mean of its divisors is an integer number (25128588140).

Almost surely, 2^75385764417 is an apocalyptic number.

It is an amenable number.

75385764417 is a deficient number, since it is larger than the sum of its proper divisors (25128588143).

75385764417 is a wasteful number, since it uses less digits than its factorization.

75385764417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25128588142.

The product of its digits is 19756800, while the sum is 57.

The spelling of 75385764417 in words is "seventy-five billion, three hundred eighty-five million, seven hundred sixty-four thousand, four hundred seventeen".