89775623 has 8 divisors (see below), whose sum is σ = 108636192. Its totient is φ = 72423936.

The previous prime is 89775611. The next prime is 89775661. The reversal of 89775623 is 32657798.

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 89775623 - 2¹⁶ = 89710087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89775683) 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, 377090 + ... + 377327.

It is an arithmetic number, because the mean of its divisors is an integer number (13579524).

Almost surely, 2^89775623 is an apocalyptic number.

89775623 is a deficient number, since it is larger than the sum of its proper divisors (18860569).

89775623 is a wasteful number, since it uses less digits than its factorization.

89775623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754441.

The product of its digits is 635040, while the sum is 47.

The square root of 89775623 is about 9474.9998944591. Note that the first 3 decimals coincide. The cubic root of 89775623 is about 447.7677483858.

The spelling of 89775623 in words is "eighty-nine million, seven hundred seventy-five thousand, six hundred twenty-three".