89782665 has 32 divisors (see below), whose sum is σ = 169476096. Its totient is φ = 39718080.

The previous prime is 89782633. The next prime is 89782673. The reversal of 89782665 is 56628798.

It is not a de Polignac number, because 89782665 - 2⁵ = 89782633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10537 + ... + 17046.

It is an arithmetic number, because the mean of its divisors is an integer number (5296128).

Almost surely, 2^89782665 is an apocalyptic number.

It is an amenable number.

89782665 is a deficient number, since it is larger than the sum of its proper divisors (79693431).

89782665 is a wasteful number, since it uses less digits than its factorization.

89782665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27629.

The product of its digits is 1451520, while the sum is 51.

The square root of 89782665 is about 9475.3714966749. The cubic root of 89782665 is about 447.7794557140.

The spelling of 89782665 in words is "eighty-nine million, seven hundred eighty-two thousand, six hundred sixty-five".