89499999 has 8 divisors (see below), whose sum is σ = 119377072. Its totient is φ = 59644800.

The previous prime is 89499989. The next prime is 89500027. The reversal of 89499999 is 99999498.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89499999 - 2⁵ = 89499967 is a prime.

It is a Duffinian number.

89499999 is a modest number, since divided by 9999 gives 8949 as remainder.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89499959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12849 + ... + 18549.

It is an arithmetic number, because the mean of its divisors is an integer number (14922134).

Almost surely, 2^89499999 is an apocalyptic number.

89499999 is a deficient number, since it is larger than the sum of its proper divisors (29877073).

89499999 is a wasteful number, since it uses less digits than its factorization.

89499999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10937.

The product of its digits is 17006112, while the sum is 66.

The square root of 89499999 is about 9460.4439113606. The cubic root of 89499999 is about 447.3090416280.

The spelling of 89499999 in words is "eighty-nine million, four hundred ninety-nine thousand, nine hundred ninety-nine".