90089677 has 8 divisors (see below), whose sum is σ = 91255320. Its totient is φ = 88929600.

The previous prime is 90089663. The next prime is 90089707. The reversal of 90089677 is 77698009.

It can be written as a sum of positive squares in 4 ways, for example, as 16232841 + 73856836 = 4029^2 + 8594^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90089677 is a prime.

It is a super-2 number, since 2×90089677² = 16232299803928658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90083677) 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, 38143 + ... + 40435.

It is an arithmetic number, because the mean of its divisors is an integer number (11406915).

Almost surely, 2^90089677 is an apocalyptic number.

It is an amenable number.

90089677 is a deficient number, since it is larger than the sum of its proper divisors (1165643).

90089677 is a wasteful number, since it uses less digits than its factorization.

90089677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783.

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

The square root of 90089677 is about 9491.5581966293. The cubic root of 90089677 is about 448.2892692959.

The spelling of 90089677 in words is "ninety million, eighty-nine thousand, six hundred seventy-seven".