47368661688 has 48 divisors (see below), whose sum is σ = 135836606880. Its totient is φ = 14860756224.

The previous prime is 47368661687. The next prime is 47368661701. The reversal of 47368661688 is 88616686374.

47368661688 is a `hidden beast` number, since 4 + 7 + 3 + 6 + 8 + 6 + 616 + 8 + 8 = 666.

It is a super-2 number, since 2×47368661688² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47368661687) 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 11 ways as a sum of consecutive naturals, for example, 19348720 + ... + 19351167.

It is an arithmetic number, because the mean of its divisors is an integer number (2829929310).

Almost surely, 2^47368661688 is an apocalyptic number.

It is an amenable number.

47368661688 is an abundant number, since it is smaller than the sum of its proper divisors (88467945192).

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

47368661688 is a wasteful number, since it uses less digits than its factorization.

47368661688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38699916 (or 38699909 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 63.

The spelling of 47368661688 in words is "forty-seven billion, three hundred sixty-eight million, six hundred sixty-one thousand, six hundred eighty-eight".