47861908 has 12 divisors (see below), whose sum is σ = 83885760. Its totient is φ = 23894552.

The previous prime is 47861903. The next prime is 47861917. The reversal of 47861908 is 80916874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47861903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6028 + ... + 11491.

It is an arithmetic number, because the mean of its divisors is an integer number (6990480).

Almost surely, 2^47861908 is an apocalyptic number.

It is an amenable number.

47861908 is a deficient number, since it is larger than the sum of its proper divisors (36023852).

47861908 is a wasteful number, since it uses less digits than its factorization.

47861908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18206 (or 18204 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 47861908 is about 6918.2301204860. The cubic root of 47861908 is about 363.0752701817.

The spelling of 47861908 in words is "forty-seven million, eight hundred sixty-one thousand, nine hundred eight".