47516647 has 2 divisors, whose sum is σ = 47516648. Its totient is φ = 47516646.

The previous prime is 47516641. The next prime is 47516657. The reversal of 47516647 is 74661574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47516647 - 2³ = 47516639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47516641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23758323 + 23758324.

It is an arithmetic number, because the mean of its divisors is an integer number (23758324).

Almost surely, 2^47516647 is an apocalyptic number.

47516647 is a deficient number, since it is larger than the sum of its proper divisors (1).

47516647 is an equidigital number, since it uses as much as digits as its factorization.

47516647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The square root of 47516647 is about 6893.2319705636. The cubic root of 47516647 is about 362.2001248886.

The spelling of 47516647 in words is "forty-seven million, five hundred sixteen thousand, six hundred forty-seven".