89478233 has 12 divisors (see below), whose sum is σ = 98073360. Its totient is φ = 81587376.

The previous prime is 89478199. The next prime is 89478241. The reversal of 89478233 is 33287498.

It is not a de Polignac number, because 89478233 - 2¹⁸ = 89216089 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89478133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10838 + ... + 17216.

It is an arithmetic number, because the mean of its divisors is an integer number (8172780).

Almost surely, 2^89478233 is an apocalyptic number.

89478233 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

89478233 is a deficient number, since it is larger than the sum of its proper divisors (8595127).

89478233 is a wasteful number, since it uses less digits than its factorization.

89478233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6488 (or 6475 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 89478233 is about 9459.2934725591. The cubic root of 89478233 is about 447.2727775011.

The spelling of 89478233 in words is "eighty-nine million, four hundred seventy-eight thousand, two hundred thirty-three".