47485647 has 24 divisors (see below), whose sum is σ = 75953280. Its totient is φ = 28345680.

The previous prime is 47485643. The next prime is 47485663. The reversal of 47485647 is 74658474.

47485647 is a `hidden beast` number, since 47 + 48 + 564 + 7 = 666.

It is not a de Polignac number, because 47485647 - 2² = 47485643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47485643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3054 + ... + 10212.

It is an arithmetic number, because the mean of its divisors is an integer number (3164720).

Almost surely, 2^47485647 is an apocalyptic number.

47485647 is a deficient number, since it is larger than the sum of its proper divisors (28467633).

47485647 is a wasteful number, since it uses less digits than its factorization.

47485647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7243 (or 7240 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 47485647 is about 6890.9830213113. The cubic root of 47485647 is about 362.1213409449.

The spelling of 47485647 in words is "forty-seven million, four hundred eighty-five thousand, six hundred forty-seven".