90710665 has 8 divisors (see below), whose sum is σ = 110386368. Its totient is φ = 71546160.

The previous prime is 90710663. The next prime is 90710677. The reversal of 90710665 is 56601709.

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

It is not a de Polignac number, because 90710665 - 2¹ = 90710663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90710665.

It is not an unprimeable number, because it can be changed into a prime (90710663) 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, 127407 + ... + 128116.

It is an arithmetic number, because the mean of its divisors is an integer number (13798296).

Almost surely, 2^90710665 is an apocalyptic number.

It is an amenable number.

90710665 is a deficient number, since it is larger than the sum of its proper divisors (19675703).

90710665 is a wasteful number, since it uses less digits than its factorization.

90710665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255599.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 90710665 is about 9524.2146657874. The cubic root of 90710665 is about 449.3169307504.

The spelling of 90710665 in words is "ninety million, seven hundred ten thousand, six hundred sixty-five".