47707687 has 4 divisors (see below), whose sum is σ = 47950056. Its totient is φ = 47465320.

The previous prime is 47707657. The next prime is 47707717. The reversal of 47707687 is 78670774.

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

It is an interprime number because it is at equal distance from previous prime (47707657) and next prime (47707717).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47707687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47707657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120889 + ... + 121282.

It is an arithmetic number, because the mean of its divisors is an integer number (11987514).

Almost surely, 2^47707687 is an apocalyptic number.

47707687 is a deficient number, since it is larger than the sum of its proper divisors (242369).

47707687 is a wasteful number, since it uses less digits than its factorization.

47707687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242368.

The product of its (nonzero) digits is 460992, while the sum is 46.

The square root of 47707687 is about 6907.0751407524. The cubic root of 47707687 is about 362.6848826222.

The spelling of 47707687 in words is "forty-seven million, seven hundred seven thousand, six hundred eighty-seven".