47988641 has 2 divisors, whose sum is σ = 47988642. Its totient is φ = 47988640.

The previous prime is 47988631. The next prime is 47988659. The reversal of 47988641 is 14688974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44943616 + 3045025 = 6704^2 + 1745^2 .

It is a cyclic number.

It is not a de Polignac number, because 47988641 - 2²² = 43794337 is a prime.

It is not a weakly prime, because it can be changed into another prime (47988631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23994320 + 23994321.

It is an arithmetic number, because the mean of its divisors is an integer number (23994321).

Almost surely, 2^47988641 is an apocalyptic number.

It is an amenable number.

47988641 is a deficient number, since it is larger than the sum of its proper divisors (1).

47988641 is an equidigital number, since it uses as much as digits as its factorization.

47988641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 47.

The square root of 47988641 is about 6927.3834165578. The cubic root of 47988641 is about 363.3954487036.

The spelling of 47988641 in words is "forty-seven million, nine hundred eighty-eight thousand, six hundred forty-one".