89801798 has 16 divisors (see below), whose sum is σ = 141039360. Its totient is φ = 42802056.

The previous prime is 89801791. The next prime is 89801813. The reversal of 89801798 is 89710898.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89801791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10943 + ... + 17301.

It is an arithmetic number, because the mean of its divisors is an integer number (8814960).

Almost surely, 2^89801798 is an apocalyptic number.

89801798 is a deficient number, since it is larger than the sum of its proper divisors (51237562).

89801798 is a wasteful number, since it uses less digits than its factorization.

89801798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6691.

The product of its (nonzero) digits is 290304, while the sum is 50.

The square root of 89801798 is about 9476.3810602993. The cubic root of 89801798 is about 447.8112612443.

The spelling of 89801798 in words is "eighty-nine million, eight hundred one thousand, seven hundred ninety-eight".