89390678 has 8 divisors (see below), whose sum is σ = 144400368. Its totient is φ = 41257224.

The previous prime is 89390677. The next prime is 89390753. The reversal of 89390678 is 87609398.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89390677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719026 + ... + 1719077.

It is an arithmetic number, because the mean of its divisors is an integer number (18050046).

Almost surely, 2^89390678 is an apocalyptic number.

89390678 is a deficient number, since it is larger than the sum of its proper divisors (55009690).

89390678 is a wasteful number, since it uses less digits than its factorization.

89390678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438118.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 89390678 is about 9454.6643515251. The cubic root of 89390678 is about 447.1268435060.

The spelling of 89390678 in words is "eighty-nine million, three hundred ninety thousand, six hundred seventy-eight".