1798275867 has 32 divisors (see below), whose sum is σ = 2538471936. Its totient is φ = 1130976000.

The previous prime is 1798275863. The next prime is 1798275889. The reversal of 1798275867 is 7685728971.

It is not a de Polignac number, because 1798275867 - 2² = 1798275863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1798275867.

It is not an unprimeable number, because it can be changed into a prime (1798275863) 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 31 ways as a sum of consecutive naturals, for example, 543117 + ... + 546417.

It is an arithmetic number, because the mean of its divisors is an integer number (79327248).

Almost surely, 2^1798275867 is an apocalyptic number.

1798275867 is a deficient number, since it is larger than the sum of its proper divisors (740196069).

1798275867 is a wasteful number, since it uses less digits than its factorization.

1798275867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491.

The product of its digits is 11854080, while the sum is 60.

The square root of 1798275867 is about 42406.0829009235. The cubic root of 1798275867 is about 1216.0518852208.

The spelling of 1798275867 in words is "one billion, seven hundred ninety-eight million, two hundred seventy-five thousand, eight hundred sixty-seven".