47686864327 has 4 divisors (see below), whose sum is σ = 48975698536. Its totient is φ = 46398030120.

The previous prime is 47686864301. The next prime is 47686864349. The reversal of 47686864327 is 72346868674.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47686864327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47686864387) 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, 644417049 + ... + 644417122.

It is an arithmetic number, because the mean of its divisors is an integer number (12243924634).

Almost surely, 2^47686864327 is an apocalyptic number.

47686864327 is a deficient number, since it is larger than the sum of its proper divisors (1288834209).

47686864327 is a wasteful number, since it uses less digits than its factorization.

47686864327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288834208.

The product of its digits is 65028096, while the sum is 61.

The spelling of 47686864327 in words is "forty-seven billion, six hundred eighty-six million, eight hundred sixty-four thousand, three hundred twenty-seven".