47650785791 has 4 divisors (see below), whose sum is σ = 54458040912. Its totient is φ = 40843530672.

The previous prime is 47650785757. The next prime is 47650785821. The reversal of 47650785791 is 19758705674.

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

It is not a de Polignac number, because 47650785791 - 2⁶ = 47650785727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47650785791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47650785731) 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, 3403627550 + ... + 3403627563.

It is an arithmetic number, because the mean of its divisors is an integer number (13614510228).

Almost surely, 2^47650785791 is an apocalyptic number.

47650785791 is a deficient number, since it is larger than the sum of its proper divisors (6807255121).

47650785791 is an equidigital number, since it uses as much as digits as its factorization.

47650785791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6807255120.

The product of its (nonzero) digits is 14817600, while the sum is 59.

The spelling of 47650785791 in words is "forty-seven billion, six hundred fifty million, seven hundred eighty-five thousand, seven hundred ninety-one".