89339647 has 2 divisors, whose sum is σ = 89339648. Its totient is φ = 89339646.

The previous prime is 89339617. The next prime is 89339669. The reversal of 89339647 is 74693398.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89339647 - 2¹⁵ = 89306879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89339647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89339617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44669823 + 44669824.

It is an arithmetic number, because the mean of its divisors is an integer number (44669824).

Almost surely, 2^89339647 is an apocalyptic number.

89339647 is a deficient number, since it is larger than the sum of its proper divisors (1).

89339647 is an equidigital number, since it uses as much as digits as its factorization.

89339647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 89339647 is about 9451.9652453868. The cubic root of 89339647 is about 447.0417426364.

The spelling of 89339647 in words is "eighty-nine million, three hundred thirty-nine thousand, six hundred forty-seven".