10684778888 has 24 divisors (see below), whose sum is σ = 23304811950. Its totient is φ = 4579190784.

The previous prime is 10684778861. The next prime is 10684778891. The reversal of 10684778888 is 88887748601.

10684778888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5751402244 + 4933376644 = 75838^2 + 70238^2 .

It is a super-2 number, since 2×10684778888² (a number of 21 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 13628153 + ... + 13628936.

Almost surely, 2^10684778888 is an apocalyptic number.

It is an amenable number.

10684778888 is an abundant number, since it is smaller than the sum of its proper divisors (12620033062).

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

10684778888 is a wasteful number, since it uses less digits than its factorization.

10684778888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27257109 (or 27257098 counting only the distinct ones).

The product of its (nonzero) digits is 38535168, while the sum is 65.

The spelling of 10684778888 in words is "ten billion, six hundred eighty-four million, seven hundred seventy-eight thousand, eight hundred eighty-eight".