47689589 has 2 divisors, whose sum is σ = 47689590. Its totient is φ = 47689588.

The previous prime is 47689567. The next prime is 47689613. The reversal of 47689589 is 98598674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45454564 + 2235025 = 6742^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 47689589 - 2⁸ = 47689333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47689529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23844794 + 23844795.

It is an arithmetic number, because the mean of its divisors is an integer number (23844795).

Almost surely, 2^47689589 is an apocalyptic number.

It is an amenable number.

47689589 is a deficient number, since it is larger than the sum of its proper divisors (1).

47689589 is an equidigital number, since it uses as much as digits as its factorization.

47689589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 56.

The square root of 47689589 is about 6905.7649105657. The cubic root of 47689589 is about 362.6390150929.

The spelling of 47689589 in words is "forty-seven million, six hundred eighty-nine thousand, five hundred eighty-nine".