1118783868 has 48 divisors (see below), whose sum is σ = 2661289344. Its totient is φ = 365742400.

The previous prime is 1118783863. The next prime is 1118783873. The reversal of 1118783868 is 8683878111.

1118783868 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1118783863) and next prime (1118783873).

It is a self number, because there is not a number n which added to its sum of digits gives 1118783868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118783863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125371 + ... + 133997.

It is an arithmetic number, because the mean of its divisors is an integer number (55443528).

Almost surely, 2^1118783868 is an apocalyptic number.

It is an amenable number.

1118783868 is an abundant number, since it is smaller than the sum of its proper divisors (1542505476).

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

1118783868 is a wasteful number, since it uses less digits than its factorization.

1118783868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8842 (or 8840 counting only the distinct ones).

The product of its digits is 516096, while the sum is 51.

The square root of 1118783868 is about 33448.2266794519. The cubic root of 1118783868 is about 1038.1228057746.

The spelling of 1118783868 in words is "one billion, one hundred eighteen million, seven hundred eighty-three thousand, eight hundred sixty-eight".