90675579 has 8 divisors (see below), whose sum is σ = 121260880. Its totient is φ = 60270336.

The previous prime is 90675551. The next prime is 90675593. The reversal of 90675579 is 97557609.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90675579 - 2⁷ = 90675451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90675479) 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, 43834 + ... + 45855.

It is an arithmetic number, because the mean of its divisors is an integer number (15157610).

Almost surely, 2^90675579 is an apocalyptic number.

90675579 is a deficient number, since it is larger than the sum of its proper divisors (30585301).

90675579 is a wasteful number, since it uses less digits than its factorization.

90675579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90029.

The product of its (nonzero) digits is 595350, while the sum is 48.

The square root of 90675579 is about 9522.3725509980. The cubic root of 90675579 is about 449.2589928118.

The spelling of 90675579 in words is "ninety million, six hundred seventy-five thousand, five hundred seventy-nine".