47781785593 has 8 divisors (see below), whose sum is σ = 48965778368. Its totient is φ = 46611640944.

The previous prime is 47781785563. The next prime is 47781785609. The reversal of 47781785593 is 39558718774.

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

It is a cyclic number.

It is not a de Polignac number, because 47781785593 - 2¹⁷ = 47781654521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47781785543) 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, 3455046 + ... + 3468847.

It is an arithmetic number, because the mean of its divisors is an integer number (6120722296).

Almost surely, 2^47781785593 is an apocalyptic number.

It is an amenable number.

47781785593 is a deficient number, since it is larger than the sum of its proper divisors (1183992775).

47781785593 is a wasteful number, since it uses less digits than its factorization.

47781785593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6924063.

The product of its digits is 59270400, while the sum is 64.

The spelling of 47781785593 in words is "forty-seven billion, seven hundred eighty-one million, seven hundred eighty-five thousand, five hundred ninety-three".