90665495 has 4 divisors (see below), whose sum is σ = 108798600. Its totient is φ = 72532392.

The previous prime is 90665479. The next prime is 90665521. The reversal of 90665495 is 59456609.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59456609 = 2267 ⋅26227.

It is a cyclic number.

It is not a de Polignac number, because 90665495 - 2⁴ = 90665479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9066545 + ... + 9066554.

It is an arithmetic number, because the mean of its divisors is an integer number (27199650).

Almost surely, 2^90665495 is an apocalyptic number.

90665495 is a deficient number, since it is larger than the sum of its proper divisors (18133105).

90665495 is a wasteful number, since it uses less digits than its factorization.

90665495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18133104.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 90665495 is about 9521.8430463855. The cubic root of 90665495 is about 449.2423382149.

The spelling of 90665495 in words is "ninety million, six hundred sixty-five thousand, four hundred ninety-five".