47507768716487 has 4 divisors (see below), whose sum is σ = 47746501222800. Its totient is φ = 47269036210176.

The previous prime is 47507768716433. The next prime is 47507768716489. The reversal of 47507768716487 is 78461786770574.

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 47507768716487 - 2²⁰ = 47507767667911 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 (47507768716489) 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, 119366252858 + ... + 119366253255.

It is an arithmetic number, because the mean of its divisors is an integer number (11936625305700).

Almost surely, 2^{47507768716487} is an apocalyptic number.

47507768716487 is a deficient number, since it is larger than the sum of its proper divisors (238732506313).

47507768716487 is a wasteful number, since it uses less digits than its factorization.

47507768716487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238732506312.

The product of its (nonzero) digits is 3097866240, while the sum is 77.

The spelling of 47507768716487 in words is "forty-seven trillion, five hundred seven billion, seven hundred sixty-eight million, seven hundred sixteen thousand, four hundred eighty-seven".