47678041872 has 30 divisors (see below), whose sum is σ = 133432298142. Its totient is φ = 15892680576.

The previous prime is 47678041871. The next prime is 47678041909. The reversal of 47678041872 is 27814087674.

It can be written as a sum of positive squares in only one way, i.e., 47473437456 + 204604416 = 217884^2 + 14304^2 .

It is not an unprimeable number, because it can be changed into a prime (47678041871) 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 5 ways as a sum of consecutive naturals, for example, 165548613 + ... + 165548900.

Almost surely, 2^47678041872 is an apocalyptic number.

It is an amenable number.

47678041872 is an abundant number, since it is smaller than the sum of its proper divisors (85754256270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47678041872 is a wasteful number, since it uses less digits than its factorization.

47678041872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331097527 (or 331097518 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 54.

The spelling of 47678041872 in words is "forty-seven billion, six hundred seventy-eight million, forty-one thousand, eight hundred seventy-two".