90216795 has 16 divisors (see below), whose sum is σ = 147704832. Its totient is φ = 46996320.

The previous prime is 90216761. The next prime is 90216803. The reversal of 90216795 is 59761209.

It is not a de Polignac number, because 90216795 - 2⁹ = 90216283 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 69291 + ... + 70580.

It is an arithmetic number, because the mean of its divisors is an integer number (9231552).

Almost surely, 2^90216795 is an apocalyptic number.

90216795 is a deficient number, since it is larger than the sum of its proper divisors (57488037).

90216795 is a wasteful number, since it uses less digits than its factorization.

90216795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139922.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 90216795 is about 9498.2522076433. The cubic root of 90216795 is about 448.5000180212.

The spelling of 90216795 in words is "ninety million, two hundred sixteen thousand, seven hundred ninety-five".