89860009 has 12 divisors (see below), whose sum is σ = 94695120. Its totient is φ = 85243760.

The previous prime is 89859989. The next prime is 89860027. The reversal of 89860009 is 90006898.

It is a happy number.

It is not a de Polignac number, because 89860009 - 2⁷ = 89859881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89867009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48714 + ... + 50524.

It is an arithmetic number, because the mean of its divisors is an integer number (7891260).

Almost surely, 2^89860009 is an apocalyptic number.

It is an amenable number.

89860009 is a deficient number, since it is larger than the sum of its proper divisors (4835111).

89860009 is a wasteful number, since it uses less digits than its factorization.

89860009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 89860009 is about 9479.4519356343. The cubic root of 89860009 is about 447.9079998823.

The spelling of 89860009 in words is "eighty-nine million, eight hundred sixty thousand, nine".