89769745 has 16 divisors (see below), whose sum is σ = 116363520. Its totient is φ = 66089664.

The previous prime is 89769731. The next prime is 89769763. The reversal of 89769745 is 54796798.

It is a cyclic number.

It is not a de Polignac number, because 89769745 - 2¹⁷ = 89638673 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21412 + ... + 25258.

It is an arithmetic number, because the mean of its divisors is an integer number (7272720).

Almost surely, 2^89769745 is an apocalyptic number.

It is an amenable number.

89769745 is a deficient number, since it is larger than the sum of its proper divisors (26593775).

89769745 is a wasteful number, since it uses less digits than its factorization.

89769745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224.

The product of its digits is 3810240, while the sum is 55.

The square root of 89769745 is about 9474.6897046816. The cubic root of 89769745 is about 447.7579757394.

It can be divided in two parts, 8976 and 9745, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 89769745 in words is "eighty-nine million, seven hundred sixty-nine thousand, seven hundred forty-five".