99782163 has 54 divisors (see below), whose sum is σ = 166520484. Its totient is φ = 57537792.

The previous prime is 99782147. The next prime is 99782191. The reversal of 99782163 is 36128799.

It is not a de Polignac number, because 99782163 - 2⁴ = 99782147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99782113) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 439456 + ... + 439682.

Almost surely, 2^99782163 is an apocalyptic number.

99782163 is a deficient number, since it is larger than the sum of its proper divisors (66738321).

99782163 is a wasteful number, since it uses less digits than its factorization.

99782163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 260 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 99782163 is about 9989.1022119107. The cubic root of 99782163 is about 463.8216017390.

The spelling of 99782163 in words is "ninety-nine million, seven hundred eighty-two thousand, one hundred sixty-three".