75917516069 has 4 divisors (see below), whose sum is σ = 76072134720. Its totient is φ = 75762897420.

The previous prime is 75917516033. The next prime is 75917516071. The reversal of 75917516069 is 96061571957.

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 a cyclic number.

It is not a de Polignac number, because 75917516069 - 2¹² = 75917511973 is a prime.

It is a super-2 number, since 2×75917516069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75917510069) 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, 77308589 + ... + 77309570.

It is an arithmetic number, because the mean of its divisors is an integer number (19018033680).

Almost surely, 2^75917516069 is an apocalyptic number.

It is an amenable number.

75917516069 is a deficient number, since it is larger than the sum of its proper divisors (154618651).

75917516069 is a wasteful number, since it uses less digits than its factorization.

75917516069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154618650.

The product of its (nonzero) digits is 3572100, while the sum is 56.

The spelling of 75917516069 in words is "seventy-five billion, nine hundred seventeen million, five hundred sixteen thousand, sixty-nine".