98765005 has 4 divisors (see below), whose sum is σ = 118518012. Its totient is φ = 79012000.

The previous prime is 98764999. The next prime is 98765011. The reversal of 98765005 is 50056789.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50056789 = 17 ⋅2944517.

It is an interprime number because it is at equal distance from previous prime (98764999) and next prime (98765011).

It can be written as a sum of positive squares in 2 ways, for example, as 55980324 + 42784681 = 7482^2 + 6541^2 .

It is not a de Polignac number, because 98765005 - 2¹¹ = 98762957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9876496 + ... + 9876505.

It is an arithmetic number, because the mean of its divisors is an integer number (29629503).

Almost surely, 2^98765005 is an apocalyptic number.

It is an amenable number.

98765005 is a deficient number, since it is larger than the sum of its proper divisors (19753007).

98765005 is a wasteful number, since it uses less digits than its factorization.

98765005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19753006.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 98765005 is about 9938.0584119837. The cubic root of 98765005 is about 462.2401832652.

The spelling of 98765005 in words is "ninety-eight million, seven hundred sixty-five thousand, five".