90216027 has 36 divisors (see below), whose sum is σ = 147172480. Its totient is φ = 53174880.

The previous prime is 90216019. The next prime is 90216037. The reversal of 90216027 is 72061209.

It is not a de Polignac number, because 90216027 - 2³ = 90216019 is a prime.

It is a Duffinian number.

90216027 is a Rhonda number in base 12.

It is not an unprimeable number, because it can be changed into a prime (90216037) 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 35 ways as a sum of consecutive naturals, for example, 39174 + ... + 41412.

Almost surely, 2^90216027 is an apocalyptic number.

90216027 is a deficient number, since it is larger than the sum of its proper divisors (56956453).

90216027 is a wasteful number, since it uses less digits than its factorization.

90216027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304 (or 2290 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 90216027 is about 9498.2117790666. The cubic root of 90216027 is about 448.4987453498.

The spelling of 90216027 in words is "ninety million, two hundred sixteen thousand, twenty-seven".