52439666707 has 8 divisors (see below), whose sum is σ = 54740388096. Its totient is φ = 50140673352.

The previous prime is 52439666639. The next prime is 52439666717. The reversal of 52439666707 is 70766693425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52439666707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52439666717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369793 + ... + 491554.

It is an arithmetic number, because the mean of its divisors is an integer number (6842548512).

Almost surely, 2^52439666707 is an apocalyptic number.

52439666707 is a deficient number, since it is larger than the sum of its proper divisors (2300721389).

52439666707 is a wasteful number, since it uses less digits than its factorization.

52439666707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864017.

The product of its (nonzero) digits is 11430720, while the sum is 55.

The spelling of 52439666707 in words is "fifty-two billion, four hundred thirty-nine million, six hundred sixty-six thousand, seven hundred seven".