90027197 has 8 divisors (see below), whose sum is σ = 97093920. Its totient is φ = 82980720.

The previous prime is 90027173. The next prime is 90027199. The reversal of 90027197 is 79172009.

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 90027197 - 2¹⁶ = 89961661 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 (90027199) 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, 4922 + ... + 14292.

It is an arithmetic number, because the mean of its divisors is an integer number (12136740).

Almost surely, 2^90027197 is an apocalyptic number.

It is an amenable number.

90027197 is a deficient number, since it is larger than the sum of its proper divisors (7066723).

90027197 is a wasteful number, since it uses less digits than its factorization.

90027197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10123.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 90027197 is about 9488.2662799902. The cubic root of 90027197 is about 448.1856111335.

The spelling of 90027197 in words is "ninety million, twenty-seven thousand, one hundred ninety-seven".