89259009 has 16 divisors (see below), whose sum is σ = 139332480. Its totient is φ = 49760640.

The previous prime is 89259007. The next prime is 89259011. The reversal of 89259009 is 90095298.

It is an interprime number because it is at equal distance from previous prime (89259007) and next prime (89259011).

It is not a de Polignac number, because 89259009 - 2¹ = 89259007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89259007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50974 + ... + 52695.

It is an arithmetic number, because the mean of its divisors is an integer number (8708280).

Almost surely, 2^89259009 is an apocalyptic number.

It is an amenable number.

89259009 is a deficient number, since it is larger than the sum of its proper divisors (50073471).

89259009 is a wasteful number, since it uses less digits than its factorization.

89259009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103720.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 89259009 is about 9447.6986086560. The cubic root of 89259009 is about 446.9072021328.

The spelling of 89259009 in words is "eighty-nine million, two hundred fifty-nine thousand, nine".