1868884776 has 96 divisors (see below), whose sum is σ = 5564164320. Its totient is φ = 561974400.

The previous prime is 1868884769. The next prime is 1868884793. The reversal of 1868884776 is 6774888681.

1868884776 is a `hidden beast` number, since 1 + 86 + 8 + 88 + 477 + 6 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 94746 + ... + 112758.

It is an arithmetic number, because the mean of its divisors is an integer number (57960045).

Almost surely, 2^1868884776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1868884776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2782082160).

1868884776 is an abundant number, since it is smaller than the sum of its proper divisors (3695279544).

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

1868884776 is a wasteful number, since it uses less digits than its factorization.

1868884776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18167 (or 18160 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 63.

The square root of 1868884776 is about 43230.5999958363. The cubic root of 1868884776 is about 1231.7640047351.

The spelling of 1868884776 in words is "one billion, eight hundred sixty-eight million, eight hundred eighty-four thousand, seven hundred seventy-six".