47781333761 has 8 divisors (see below), whose sum is σ = 54609128064. Its totient is φ = 40954011840.

The previous prime is 47781333707. The next prime is 47781333797. The reversal of 47781333761 is 16733318774.

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

It is not a de Polignac number, because 47781333761 - 2⁶ = 47781333697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47781336761) 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, 134756 + ... + 337226.

It is an arithmetic number, because the mean of its divisors is an integer number (6826141008).

Almost surely, 2^47781333761 is an apocalyptic number.

It is an amenable number.

47781333761 is a deficient number, since it is larger than the sum of its proper divisors (6827794303).

47781333761 is a wasteful number, since it uses less digits than its factorization.

47781333761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236191.

The product of its digits is 1778112, while the sum is 50.

The spelling of 47781333761 in words is "forty-seven billion, seven hundred eighty-one million, three hundred thirty-three thousand, seven hundred sixty-one".