90579005 has 16 divisors (see below), whose sum is σ = 118865664. Its totient is φ = 65714880.

The previous prime is 90578989. The next prime is 90579017. The reversal of 90579005 is 50097509.

It is not a de Polignac number, because 90579005 - 2⁴ = 90578989 is a prime.

It is a super-2 number, since 2×90579005² = 16409112293580050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23687 + ... + 27243.

It is an arithmetic number, because the mean of its divisors is an integer number (7429104).

Almost surely, 2^90579005 is an apocalyptic number.

It is an amenable number.

90579005 is a deficient number, since it is larger than the sum of its proper divisors (28286659).

90579005 is a wasteful number, since it uses less digits than its factorization.

90579005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036.

The product of its (nonzero) digits is 14175, while the sum is 35.

The square root of 90579005 is about 9517.3002999800. The cubic root of 90579005 is about 449.0994417670.

The spelling of 90579005 in words is "ninety million, five hundred seventy-nine thousand, five".