76325966569 has 4 divisors (see below), whose sum is σ = 76381558596. Its totient is φ = 76270374544.

The previous prime is 76325966531. The next prime is 76325966611. The reversal of 76325966569 is 96566952367.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40627642969 + 35698323600 = 201563^2 + 188940^2 .

It is a cyclic number.

It is not a de Polignac number, because 76325966569 - 2⁷ = 76325966441 is a prime.

It is a super-3 number, since 3×76325966569³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76325966569.

It is not an unprimeable number, because it can be changed into a prime (76325946569) 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, 27793954 + ... + 27796699.

It is an arithmetic number, because the mean of its divisors is an integer number (19095389649).

Almost surely, 2^76325966569 is an apocalyptic number.

It is an amenable number.

76325966569 is a deficient number, since it is larger than the sum of its proper divisors (55592027).

76325966569 is a wasteful number, since it uses less digits than its factorization.

76325966569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55592026.

The product of its digits is 110224800, while the sum is 64.

The spelling of 76325966569 in words is "seventy-six billion, three hundred twenty-five million, nine hundred sixty-six thousand, five hundred sixty-nine".