90716563 has 8 divisors (see below), whose sum is σ = 106478432. Its totient is φ = 75655296.

The previous prime is 90716551. The next prime is 90716579. The reversal of 90716563 is 36561709.

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

It is a cyclic number.

It is not a de Polignac number, because 90716563 - 2¹⁷ = 90585491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90716363) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 174870 + ... + 175387.

It is an arithmetic number, because the mean of its divisors is an integer number (13309804).

Almost surely, 2^90716563 is an apocalyptic number.

90716563 is a deficient number, since it is larger than the sum of its proper divisors (15761869).

90716563 is a wasteful number, since it uses less digits than its factorization.

90716563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350301.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 90716563 is about 9524.5242925828. The cubic root of 90716563 is about 449.3266687226.

The spelling of 90716563 in words is "ninety million, seven hundred sixteen thousand, five hundred sixty-three".