98865678121 has 8 divisors (see below), whose sum is σ = 113160288704. Its totient is φ = 84613803120.

The previous prime is 98865678103. The next prime is 98865678133. The reversal of 98865678121 is 12187656889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 98865678121 - 2²¹ = 98863580969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98865678121.

It is not an unprimeable number, because it can be changed into a prime (98865678151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10678935 + ... + 10688188.

It is an arithmetic number, because the mean of its divisors is an integer number (14145036088).

Almost surely, 2^98865678121 is an apocalyptic number.

It is an amenable number.

98865678121 is a deficient number, since it is larger than the sum of its proper divisors (14294610583).

98865678121 is a wasteful number, since it uses less digits than its factorization.

98865678121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21367791.

The product of its digits is 11612160, while the sum is 61.

The spelling of 98865678121 in words is "ninety-eight billion, eight hundred sixty-five million, six hundred seventy-eight thousand, one hundred twenty-one".