75769719169 has 3 divisors (see below), whose sum is σ = 75769994433. Its totient is φ = 75769443906.

The previous prime is 75769719163. The next prime is 75769719197. The reversal of 75769719169 is 96191796757.

The square root of 75769719169 is 275263.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 75769719169 - 2⁹ = 75769718657 is a prime.

It is a super-2 number, since 2×75769719169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75769719163) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 137632 + ... + 412894.

It is an arithmetic number, because the mean of its divisors is an integer number (25256664811).

Almost surely, 2^75769719169 is an apocalyptic number.

75769719169 is the 275263-rd square number.

75769719169 is the 137632-nd centered octagonal number.

It is an amenable number.

75769719169 is a deficient number, since it is larger than the sum of its proper divisors (275264).

75769719169 is an frugal number, since it uses more digits than its factorization.

75769719169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550526 (or 275263 counting only the distinct ones).

The product of its digits is 45008460, while the sum is 67.

The spelling of 75769719169 in words is "seventy-five billion, seven hundred sixty-nine million, seven hundred nineteen thousand, one hundred sixty-nine".