98787 has 16 divisors (see below), whose sum is σ = 151200. Its totient is φ = 56832.

The previous prime is 98779. The next prime is 98801. The reversal of 98787 is 78789.

98787 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 98787 - 2³ = 98779 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a zygodrome in base 2.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 98787.

It is not an unprimeable number, because it can be changed into a prime (98717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589 + ... + 737.

It is an arithmetic number, because the mean of its divisors is an integer number (9450).

2⁹⁸⁷⁸⁷ is an apocalyptic number.

98787 is a deficient number, since it is larger than the sum of its proper divisors (52413).

98787 is a wasteful number, since it uses less digits than its factorization.

98787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182.

The product of its digits is 28224, while the sum is 39.

The square root of 98787 is about 314.3039929750. The cubic root of 98787 is about 46.2274494400.

The spelling of 98787 in words is "ninety-eight thousand, seven hundred eighty-seven".