52171277707 has 4 divisors (see below), whose sum is σ = 52197326280. Its totient is φ = 52145229136.

The previous prime is 52171277663. The next prime is 52171277779. The reversal of 52171277707 is 70777217125.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52171277707 - 2⁷ = 52171277579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52171277797) 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, 13021282 + ... + 13025287.

It is an arithmetic number, because the mean of its divisors is an integer number (13049331570).

Almost surely, 2^52171277707 is an apocalyptic number.

52171277707 is a deficient number, since it is larger than the sum of its proper divisors (26048573).

52171277707 is a wasteful number, since it uses less digits than its factorization.

52171277707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26048572.

The product of its (nonzero) digits is 336140, while the sum is 46.

The spelling of 52171277707 in words is "fifty-two billion, one hundred seventy-one million, two hundred seventy-seven thousand, seven hundred seven".