47773673681 has 8 divisors (see below), whose sum is σ = 51010111680. Its totient is φ = 44633845872.

The previous prime is 47773673677. The next prime is 47773673687. The reversal of 47773673681 is 18637637774.

It is a happy number.

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 47773673681 - 2² = 47773673677 is a prime.

It is a super-2 number, since 2×47773673681² (a number of 22 digits) contains 22 as substring.

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 47773673681.

It is not an unprimeable number, because it can be changed into a prime (47773673687) 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 7 ways as a sum of consecutive naturals, for example, 24151526 + ... + 24153503.

It is an arithmetic number, because the mean of its divisors is an integer number (6376263960).

Almost surely, 2^47773673681 is an apocalyptic number.

It is an amenable number.

47773673681 is a deficient number, since it is larger than the sum of its proper divisors (3236437999).

47773673681 is a wasteful number, since it uses less digits than its factorization.

47773673681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48305095.

The product of its digits is 24893568, while the sum is 59.

The spelling of 47773673681 in words is "forty-seven billion, seven hundred seventy-three million, six hundred seventy-three thousand, six hundred eighty-one".