90785603 has 8 divisors (see below), whose sum is σ = 94390800. Its totient is φ = 87246720.

The previous prime is 90785557. The next prime is 90785609. The reversal of 90785603 is 30658709.

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 90785603 - 2¹⁴ = 90769219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90785609) by changing a digit.

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, 13778 + ... + 19271.

It is an arithmetic number, because the mean of its divisors is an integer number (11798850).

Almost surely, 2^90785603 is an apocalyptic number.

90785603 is a deficient number, since it is larger than the sum of its proper divisors (3605197).

90785603 is a wasteful number, since it uses less digits than its factorization.

90785603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33157.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 90785603 is about 9528.1479312614. The cubic root of 90785603 is about 449.4406267690.

The spelling of 90785603 in words is "ninety million, seven hundred eighty-five thousand, six hundred three".