47648647 has 8 divisors (see below), whose sum is σ = 48807936. Its totient is φ = 46495512.

The previous prime is 47648641. The next prime is 47648651. The reversal of 47648647 is 74684674.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47648647 - 2³ = 47648639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47648597 and 47648606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47648641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16678 + ... + 19324.

It is an arithmetic number, because the mean of its divisors is an integer number (6100992).

Almost surely, 2^47648647 is an apocalyptic number.

47648647 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

47648647 is a deficient number, since it is larger than the sum of its proper divisors (1159289).

47648647 is a wasteful number, since it uses less digits than its factorization.

47648647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077.

The product of its digits is 903168, while the sum is 46.

The square root of 47648647 is about 6902.7999391551. The cubic root of 47648647 is about 362.5352089463.

The spelling of 47648647 in words is "forty-seven million, six hundred forty-eight thousand, six hundred forty-seven".