1028877589195 has 4 divisors (see below), whose sum is σ = 1234653107040. Its totient is φ = 823102071352.

The previous prime is 1028877589177. The next prime is 1028877589231. The reversal of 1028877589195 is 5919857788201.

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 1028877589195 - 2¹¹ = 1028877587147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102887758915 + ... + 102887758924.

It is an arithmetic number, because the mean of its divisors is an integer number (308663276760).

Almost surely, 2^{1028877589195} is an apocalyptic number.

1028877589195 is a deficient number, since it is larger than the sum of its proper divisors (205775517845).

1028877589195 is an equidigital number, since it uses as much as digits as its factorization.

1028877589195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205775517844.

The product of its (nonzero) digits is 101606400, while the sum is 70.

The spelling of 1028877589195 in words is "one trillion, twenty-eight billion, eight hundred seventy-seven million, five hundred eighty-nine thousand, one hundred ninety-five".