90485665 has 8 divisors (see below), whose sum is σ = 108868608. Its totient is φ = 72198000.

The previous prime is 90485641. The next prime is 90485719. The reversal of 90485665 is 56658409.

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

It is not a de Polignac number, because 90485665 - 2¹³ = 90477473 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 21711 + ... + 25540.

It is an arithmetic number, because the mean of its divisors is an integer number (13608576).

Almost surely, 2^90485665 is an apocalyptic number.

It is an amenable number.

90485665 is a deficient number, since it is larger than the sum of its proper divisors (18382943).

90485665 is a wasteful number, since it uses less digits than its factorization.

90485665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47639.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 90485665 is about 9512.3953345096. The cubic root of 90485665 is about 448.9451258412.

The spelling of 90485665 in words is "ninety million, four hundred eighty-five thousand, six hundred sixty-five".