89505659 has 2 divisors, whose sum is σ = 89505660. Its totient is φ = 89505658.

The previous prime is 89505613. The next prime is 89505667. The reversal of 89505659 is 95650598.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89505659 - 2¹² = 89501563 is a prime.

It is a super-2 number, since 2×89505659² = 16022525986048562, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (89505679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44752829 + 44752830.

It is an arithmetic number, because the mean of its divisors is an integer number (44752830).

Almost surely, 2^89505659 is an apocalyptic number.

89505659 is a deficient number, since it is larger than the sum of its proper divisors (1).

89505659 is an equidigital number, since it uses as much as digits as its factorization.

89505659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 47.

The square root of 89505659 is about 9460.7430469282. The cubic root of 89505659 is about 447.3184707373.

The spelling of 89505659 in words is "eighty-nine million, five hundred five thousand, six hundred fifty-nine".