47405985992 has 32 divisors (see below), whose sum is σ = 91408500000. Its totient is φ = 23039415168.

The previous prime is 47405985941. The next prime is 47405985997. The reversal of 47405985992 is 29958950474.

It is not an unprimeable number, because it can be changed into a prime (47405985997) 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, 522242 + ... + 606257.

It is an arithmetic number, because the mean of its divisors is an integer number (2856515625).

Almost surely, 2^47405985992 is an apocalyptic number.

It is an amenable number.

47405985992 is a deficient number, since it is larger than the sum of its proper divisors (44002514008).

47405985992 is a wasteful number, since it uses less digits than its factorization.

47405985992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128653 (or 1128649 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 62.

The spelling of 47405985992 in words is "forty-seven billion, four hundred five million, nine hundred eighty-five thousand, nine hundred ninety-two".