1827812118 has 16 divisors (see below), whose sum is σ = 3987953856. Its totient is φ = 553882440.

The previous prime is 1827812101. The next prime is 1827812123. The reversal of 1827812118 is 8112187281.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13846996 + ... + 13847127.

It is an arithmetic number, because the mean of its divisors is an integer number (249247116).

Almost surely, 2^1827812118 is an apocalyptic number.

1827812118 is an abundant number, since it is smaller than the sum of its proper divisors (2160141738).

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

1827812118 is a wasteful number, since it uses less digits than its factorization.

1827812118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27694139.

The product of its digits is 14336, while the sum is 39.

The square root of 1827812118 is about 42752.9194090883. The cubic root of 1827812118 is about 1222.6735504966.

Adding to 1827812118 its reverse (8112187281), we get a palindrome (9939999399).

The spelling of 1827812118 in words is "one billion, eight hundred twenty-seven million, eight hundred twelve thousand, one hundred eighteen".