83326563 has 20 divisors (see below), whose sum is σ = 124935888. Its totient is φ = 55345680.

The previous prime is 83326531. The next prime is 83326567. The reversal of 83326563 is 36562338.

It is a happy number.

It is not a de Polignac number, because 83326563 - 2⁵ = 83326531 is a prime.

It is a super-2 number, since 2×83326563² = 13886632202785938, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (83326567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21978 + ... + 25488.

Almost surely, 2^83326563 is an apocalyptic number.

83326563 is a deficient number, since it is larger than the sum of its proper divisors (41609325).

83326563 is a wasteful number, since it uses less digits than its factorization.

83326563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816 (or 3807 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 83326563 is about 9128.3384577918. The cubic root of 83326563 is about 436.7784031859.

The spelling of 83326563 in words is "eighty-three million, three hundred twenty-six thousand, five hundred sixty-three".