90097867 has 8 divisors (see below), whose sum is σ = 98110800. Its totient is φ = 82412064.

The previous prime is 90097859. The next prime is 90097879. The reversal of 90097867 is 76879009.

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 90097867 - 2³ = 90097859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90097967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81208 + ... + 82309.

It is an arithmetic number, because the mean of its divisors is an integer number (12263850).

Almost surely, 2^90097867 is an apocalyptic number.

90097867 is a deficient number, since it is larger than the sum of its proper divisors (8012933).

90097867 is a wasteful number, since it uses less digits than its factorization.

90097867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163565.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 90097867 is about 9491.9896228346. The cubic root of 90097867 is about 448.3028534563.

The spelling of 90097867 in words is "ninety million, ninety-seven thousand, eight hundred sixty-seven".