90685063 has 8 divisors (see below), whose sum is σ = 103955840. Its totient is φ = 77493240.

The previous prime is 90685061. The next prime is 90685069. The reversal of 90685063 is 36058609.

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 90685063 - 2¹ = 90685061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90685061) 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 7 ways as a sum of consecutive naturals, for example, 17253 + ... + 21886.

It is an arithmetic number, because the mean of its divisors is an integer number (12994480).

Almost surely, 2^90685063 is an apocalyptic number.

90685063 is a deficient number, since it is larger than the sum of its proper divisors (13270777).

90685063 is a wasteful number, since it uses less digits than its factorization.

90685063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39477.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 90685063 is about 9522.8705231143. The cubic root of 90685063 is about 449.2746553301.

The spelling of 90685063 in words is "ninety million, six hundred eighty-five thousand, sixty-three".