89028587 has 2 divisors, whose sum is σ = 89028588. Its totient is φ = 89028586.

The previous prime is 89028557. The next prime is 89028593. The reversal of 89028587 is 78582098.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89028587 - 2⁶ = 89028523 is a prime.

It is not a weakly prime, because it can be changed into another prime (89028557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44514293 + 44514294.

It is an arithmetic number, because the mean of its divisors is an integer number (44514294).

Almost surely, 2^89028587 is an apocalyptic number.

89028587 is a deficient number, since it is larger than the sum of its proper divisors (1).

89028587 is an equidigital number, since it uses as much as digits as its factorization.

89028587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 89028587 is about 9435.4961183819. The cubic root of 89028587 is about 446.5223073132.

The spelling of 89028587 in words is "eighty-nine million, twenty-eight thousand, five hundred eighty-seven".