52077667217 has 4 divisors (see below), whose sum is σ = 52082173296. Its totient is φ = 52073161140.

The previous prime is 52077667181. The next prime is 52077667237. The reversal of 52077667217 is 71276677025.

It is a happy number.

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 52077667217 - 2⁸ = 52077666961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52077667237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2235659 + ... + 2258832.

It is an arithmetic number, because the mean of its divisors is an integer number (13020543324).

Almost surely, 2^52077667217 is an apocalyptic number.

It is an amenable number.

52077667217 is a deficient number, since it is larger than the sum of its proper divisors (4506079).

52077667217 is a wasteful number, since it uses less digits than its factorization.

52077667217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506078.

The product of its (nonzero) digits is 1728720, while the sum is 50.

The spelling of 52077667217 in words is "fifty-two billion, seventy-seven million, six hundred sixty-seven thousand, two hundred seventeen".