47931086 has 16 divisors (see below), whose sum is σ = 82373760. Its totient is φ = 20490360.

The previous prime is 47931077. The next prime is 47931101. The reversal of 47931086 is 68013974.

It is a congruent number.

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, 1781 + ... + 9951.

It is an arithmetic number, because the mean of its divisors is an integer number (5148360).

Almost surely, 2^47931086 is an apocalyptic number.

47931086 is a deficient number, since it is larger than the sum of its proper divisors (34442674).

47931086 is a wasteful number, since it uses less digits than its factorization.

47931086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8599.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 47931086 is about 6923.2280043344. The cubic root of 47931086 is about 363.2501115869.

The spelling of 47931086 in words is "forty-seven million, nine hundred thirty-one thousand, eighty-six".