9800000087 has 4 divisors (see below), whose sum is σ = 9800205240. Its totient is φ = 9799794936.

The previous prime is 9800000069. The next prime is 9800000099. The reversal of 9800000087 is 7800000089.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9800000087 - 2¹⁰ = 9799999063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9799999999 and 9800000062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9800000017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10988 + ... + 140430.

It is an arithmetic number, because the mean of its divisors is an integer number (2450051310).

Almost surely, 2^9800000087 is an apocalyptic number.

9800000087 is a deficient number, since it is larger than the sum of its proper divisors (205153).

9800000087 is a wasteful number, since it uses less digits than its factorization.

9800000087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205152.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 9800000087 is about 98994.9498055330. The cubic root of 9800000087 is about 2139.9749674627.

The spelling of 9800000087 in words is "nine billion, eight hundred million, eighty-seven", and thus it is an aban number.