10682249778 has 54 divisors (see below), whose sum is σ = 24603593079. Its totient is φ = 3348955392.

The previous prime is 10682249717. The next prime is 10682249783. The reversal of 10682249778 is 87794228601.

It is a happy number.

10682249778 is a `hidden beast` number, since 1 + 0 + 6 + 82 + 2 + 497 + 78 = 666.

10682249778 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 5 ways, for example, as 10501535529 + 180714249 = 102477^2 + 13443^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=73083.

It is a super-2 number, since 2×10682249778² (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 26 ways as a sum of consecutive naturals, for example, 7453750 + ... + 7455182.

Almost surely, 2^10682249778 is an apocalyptic number.

10682249778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10682249778

10682249778 is an abundant number, since it is smaller than the sum of its proper divisors (13921343301).

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

10682249778 is an equidigital number, since it uses as much as digits as its factorization.

10682249778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 10682249778 in words is "ten billion, six hundred eighty-two million, two hundred forty-nine thousand, seven hundred seventy-eight".