47404144077 has 4 divisors (see below), whose sum is σ = 63205525440. Its totient is φ = 31602762716.

The previous prime is 47404144033. The next prime is 47404144087. The reversal of 47404144077 is 77044140474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47404144077 - 2¹⁰ = 47404143053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47404144087) 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, 7900690677 + ... + 7900690682.

It is an arithmetic number, because the mean of its divisors is an integer number (15801381360).

Almost surely, 2^47404144077 is an apocalyptic number.

It is an amenable number.

47404144077 is a deficient number, since it is larger than the sum of its proper divisors (15801381363).

47404144077 is a wasteful number, since it uses less digits than its factorization.

47404144077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15801381362.

The product of its (nonzero) digits is 351232, while the sum is 42.

The spelling of 47404144077 in words is "forty-seven billion, four hundred four million, one hundred forty-four thousand, seventy-seven".