47872038686 has 16 divisors (see below), whose sum is σ = 73200734208. Its totient is φ = 23475324600.

The previous prime is 47872038673. The next prime is 47872038691. The reversal of 47872038686 is 68683027874.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855410 + ... + 909653.

It is an arithmetic number, because the mean of its divisors is an integer number (4575045888).

Almost surely, 2^47872038686 is an apocalyptic number.

47872038686 is a deficient number, since it is larger than the sum of its proper divisors (25328695522).

47872038686 is a wasteful number, since it uses less digits than its factorization.

47872038686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765327.

The product of its (nonzero) digits is 21676032, while the sum is 59.

The spelling of 47872038686 in words is "forty-seven billion, eight hundred seventy-two million, thirty-eight thousand, six hundred eighty-six".