89390659 has 2 divisors, whose sum is σ = 89390660. Its totient is φ = 89390658.

The previous prime is 89390647. The next prime is 89390677. The reversal of 89390659 is 95609398.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89390659 - 2¹³ = 89382467 is a prime.

It is not a weakly prime, because it can be changed into another prime (89390629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44695329 + 44695330.

It is an arithmetic number, because the mean of its divisors is an integer number (44695330).

Almost surely, 2^89390659 is an apocalyptic number.

89390659 is a deficient number, since it is larger than the sum of its proper divisors (1).

89390659 is an equidigital number, since it uses as much as digits as its factorization.

89390659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 89390659 is about 9454.6633467300. The cubic root of 89390659 is about 447.1268118270.

The spelling of 89390659 in words is "eighty-nine million, three hundred ninety thousand, six hundred fifty-nine".