89538487 has 2 divisors, whose sum is σ = 89538488. Its totient is φ = 89538486.

The previous prime is 89538481. The next prime is 89538523. The reversal of 89538487 is 78483598.

89538487 is nontrivially palindromic in base 15.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89538487 - 2¹¹ = 89536439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89538481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44769243 + 44769244.

It is an arithmetic number, because the mean of its divisors is an integer number (44769244).

Almost surely, 2^89538487 is an apocalyptic number.

89538487 is a deficient number, since it is larger than the sum of its proper divisors (1).

89538487 is an equidigital number, since it uses as much as digits as its factorization.

89538487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 52.

The square root of 89538487 is about 9462.4778467376. The cubic root of 89538487 is about 447.3731517336.

The spelling of 89538487 in words is "eighty-nine million, five hundred thirty-eight thousand, four hundred eighty-seven".