47781214568 has 24 divisors (see below), whose sum is σ = 89998621650. Its totient is φ = 23781623904.

The previous prime is 47781214567. The next prime is 47781214601. The reversal of 47781214568 is 86541218774.

It can be written as a sum of positive squares in only one way, i.e., 30150155044 + 17631059524 = 173638^2 + 132782^2 .

It is not an unprimeable number, because it can be changed into a prime (47781214567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9353471 + ... + 9358577.

Almost surely, 2^47781214568 is an apocalyptic number.

It is an amenable number.

47781214568 is a deficient number, since it is larger than the sum of its proper divisors (42217407082).

47781214568 is an frugal number, since it uses more digits than its factorization.

47781214568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10449 (or 5338 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 53.

The spelling of 47781214568 in words is "forty-seven billion, seven hundred eighty-one million, two hundred fourteen thousand, five hundred sixty-eight".