90976009 has 8 divisors (see below), whose sum is σ = 96753440. Its totient is φ = 85297536.

The previous prime is 90975977. The next prime is 90976013. The reversal of 90976009 is 90067909.

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

It is not a de Polignac number, because 90976009 - 2⁵ = 90975977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90976019) 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 7 ways as a sum of consecutive naturals, for example, 22839 + ... + 26524.

It is an arithmetic number, because the mean of its divisors is an integer number (12094180).

Almost surely, 2^90976009 is an apocalyptic number.

It is an amenable number.

90976009 is a deficient number, since it is larger than the sum of its proper divisors (5777431).

90976009 is a wasteful number, since it uses less digits than its factorization.

90976009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49479.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 90976009 is about 9538.1344612036. The cubic root of 90976009 is about 449.7546135394.

The spelling of 90976009 in words is "ninety million, nine hundred seventy-six thousand, nine".