987375105686298 has 128 divisors (see below), whose sum is σ = 2299249284710400. Its totient is φ = 276856167379968.

The previous prime is 987375105686287. The next prime is 987375105686323. The reversal of 987375105686298 is 892686501573789.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 987375105686298.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3198971863 + ... + 3199280501.

It is an arithmetic number, because the mean of its divisors is an integer number (17962885036800).

Almost surely, 2^{987375105686298} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 987375105686298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149624642355200).

987375105686298 is an abundant number, since it is smaller than the sum of its proper divisors (1311874179024102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

987375105686298 is a wasteful number, since it uses less digits than its factorization.

987375105686298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315124.

The product of its (nonzero) digits is 10973491200, while the sum is 84.

The spelling of 987375105686298 in words is "nine hundred eighty-seven trillion, three hundred seventy-five billion, one hundred five million, six hundred eighty-six thousand, two hundred ninety-eight".