47664503 has 2 divisors, whose sum is σ = 47664504. Its totient is φ = 47664502.

The previous prime is 47664499. The next prime is 47664517. The reversal of 47664503 is 30546674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47664503 - 2² = 47664499 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47664523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23832251 + 23832252.

It is an arithmetic number, because the mean of its divisors is an integer number (23832252).

Almost surely, 2^47664503 is an apocalyptic number.

47664503 is a deficient number, since it is larger than the sum of its proper divisors (1).

47664503 is an equidigital number, since it uses as much as digits as its factorization.

47664503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 47664503 is about 6903.9483630746. The cubic root of 47664503 is about 362.5754179983.

The spelling of 47664503 in words is "forty-seven million, six hundred sixty-four thousand, five hundred three".