76206664265 has 4 divisors (see below), whose sum is σ = 91447997124. Its totient is φ = 60965331408.

The previous prime is 76206664253. The next prime is 76206664297. The reversal of 76206664265 is 56246660267.

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 8770884409 + 67435779856 = 93653^2 + 259684^2 .

It is a cyclic number.

It is not a de Polignac number, because 76206664265 - 2⁴ = 76206664249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7620666422 + ... + 7620666431.

It is an arithmetic number, because the mean of its divisors is an integer number (22861999281).

Almost surely, 2^76206664265 is an apocalyptic number.

It is an amenable number.

76206664265 is a deficient number, since it is larger than the sum of its proper divisors (15241332859).

76206664265 is a wasteful number, since it uses less digits than its factorization.

76206664265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15241332858.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 76206664265 in words is "seventy-six billion, two hundred six million, six hundred sixty-four thousand, two hundred sixty-five".