89143079 has 8 divisors (see below), whose sum is σ = 94967040. Its totient is φ = 83432376.

The previous prime is 89143051. The next prime is 89143081. The reversal of 89143079 is 97034198.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 89143079 - 2¹² = 89138983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89143049) 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 7 ways as a sum of consecutive naturals, for example, 26687 + ... + 29840.

It is an arithmetic number, because the mean of its divisors is an integer number (11870880).

Almost surely, 2^89143079 is an apocalyptic number.

89143079 is a deficient number, since it is larger than the sum of its proper divisors (5823961).

89143079 is a wasteful number, since it uses less digits than its factorization.

89143079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56629.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 89143079 is about 9441.5612586055. The cubic root of 89143079 is about 446.7136366165.

The spelling of 89143079 in words is "eighty-nine million, one hundred forty-three thousand, seventy-nine".