90679665 has 16 divisors (see below), whose sum is σ = 150091200. Its totient is φ = 46694592.

The previous prime is 90679663. The next prime is 90679669. The reversal of 90679665 is 56697609.

It is not a de Polignac number, because 90679665 - 2¹ = 90679663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90679663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103795 + ... + 104664.

It is an arithmetic number, because the mean of its divisors is an integer number (9380700).

Almost surely, 2^90679665 is an apocalyptic number.

It is an amenable number.

90679665 is a deficient number, since it is larger than the sum of its proper divisors (59411535).

90679665 is a wasteful number, since it uses less digits than its factorization.

90679665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208496.

The product of its (nonzero) digits is 612360, while the sum is 48.

The square root of 90679665 is about 9522.5870959524. The cubic root of 90679665 is about 449.2657408421.

The spelling of 90679665 in words is "ninety million, six hundred seventy-nine thousand, six hundred sixty-five".