47687908 has 6 divisors (see below), whose sum is σ = 83453846. Its totient is φ = 23843952.

The previous prime is 47687851. The next prime is 47687917. The reversal of 47687908 is 80978674.

It can be written as a sum of positive squares in only one way, i.e., 32695524 + 14992384 = 5718^2 + 3872^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5960985 + ... + 5960992.

Almost surely, 2^47687908 is an apocalyptic number.

It is an amenable number.

47687908 is a deficient number, since it is larger than the sum of its proper divisors (35765938).

47687908 is a wasteful number, since it uses less digits than its factorization.

47687908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11921981 (or 11921979 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 47687908 is about 6905.6431995868. The cubic root of 47687908 is about 362.6347541815.

The spelling of 47687908 in words is "forty-seven million, six hundred eighty-seven thousand, nine hundred eight".