47468366728 has 32 divisors (see below), whose sum is σ = 92112067800. Its totient is φ = 22905856512.

The previous prime is 47468366719. The next prime is 47468366819. The reversal of 47468366728 is 82766386474.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35964088164 + 11504278564 = 189642^2 + 107258^2 .

It is an unprimeable number.

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, 508426 + ... + 594502.

Almost surely, 2^47468366728 is an apocalyptic number.

It is an amenable number.

47468366728 is a deficient number, since it is larger than the sum of its proper divisors (44643701072).

47468366728 is a wasteful number, since it uses less digits than its factorization.

47468366728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88489 (or 88485 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 61.

The spelling of 47468366728 in words is "forty-seven billion, four hundred sixty-eight million, three hundred sixty-six thousand, seven hundred twenty-eight".