98775 has 18 divisors (see below), whose sum is σ = 177320. Its totient is φ = 52560.

The previous prime is 98773. The next prime is 98779. The reversal of 98775 is 57789.

It is not a de Polignac number, because 98775 - 2¹ = 98773 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 98775.

It is not an unprimeable number, because it can be changed into a prime (98773) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6 + ... + 444.

2⁹⁸⁷⁷⁵ is an apocalyptic number.

98775 is a deficient number, since it is larger than the sum of its proper divisors (78545).

98775 is a wasteful number, since it uses less digits than its factorization.

98775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 447 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 98775 is about 314.2849025964. The cubic root of 98775 is about 46.2255775613.

The spelling of 98775 in words is "ninety-eight thousand, seven hundred seventy-five".