47776009943 has 4 divisors (see below), whose sum is σ = 47788167528. Its totient is φ = 47763852360.

The previous prime is 47776009921. The next prime is 47776009961. The reversal of 47776009943 is 34990067774.

It is a happy number.

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 47776009943 - 2¹⁰ = 47776008919 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 (47776009243) 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, 6072896 + ... + 6080757.

It is an arithmetic number, because the mean of its divisors is an integer number (11947041882).

Almost surely, 2^47776009943 is an apocalyptic number.

47776009943 is a deficient number, since it is larger than the sum of its proper divisors (12157585).

47776009943 is a wasteful number, since it uses less digits than its factorization.

47776009943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12157584.

The product of its (nonzero) digits is 8001504, while the sum is 56.

The spelling of 47776009943 in words is "forty-seven billion, seven hundred seventy-six million, nine thousand, nine hundred forty-three".