98784665 has 16 divisors (see below), whose sum is σ = 136173312. Its totient is φ = 67389504.

The previous prime is 98784661. The next prime is 98784677. The reversal of 98784665 is 56648789.

It is not a de Polignac number, because 98784665 - 2² = 98784661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98784661) 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, 269 + ... + 14058.

It is an arithmetic number, because the mean of its divisors is an integer number (8510832).

Almost surely, 2^98784665 is an apocalyptic number.

It is an amenable number.

98784665 is a deficient number, since it is larger than the sum of its proper divisors (37388647).

98784665 is a wasteful number, since it uses less digits than its factorization.

98784665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14536.

The product of its digits is 2903040, while the sum is 53.

The square root of 98784665 is about 9939.0474895736. The cubic root of 98784665 is about 462.2708521547.

The spelling of 98784665 in words is "ninety-eight million, seven hundred eighty-four thousand, six hundred sixty-five".