1818872708 has 12 divisors (see below), whose sum is σ = 3218792220. Its totient is φ = 899217792.

The previous prime is 1818872701. The next prime is 1818872711. The reversal of 1818872708 is 8072788181.

It can be written as a sum of positive squares in 2 ways, for example, as 710115904 + 1108756804 = 26648^2 + 33298^2 .

It is not an unprimeable number, because it can be changed into a prime (1818872701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2554241 + ... + 2554952.

It is an arithmetic number, because the mean of its divisors is an integer number (268232685).

Almost surely, 2^1818872708 is an apocalyptic number.

It is an amenable number.

1818872708 is a deficient number, since it is larger than the sum of its proper divisors (1399919512).

1818872708 is a wasteful number, since it uses less digits than its factorization.

1818872708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5109286 (or 5109284 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 50.

The square root of 1818872708 is about 42648.2439028854. The cubic root of 1818872708 is about 1220.6770200900.

The spelling of 1818872708 in words is "one billion, eight hundred eighteen million, eight hundred seventy-two thousand, seven hundred eight".