10633777778 has 54 divisors (see below), whose sum is σ = 17743280877. Its totient is φ = 4777521840.

The previous prime is 10633777771. The next prime is 10633777793. The reversal of 10633777778 is 87777733601.

10633777778 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 2 ways, for example, as 9092194609 + 1541583169 = 95353^2 + 39263^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=72917.

It is a super-2 number, since 2×10633777778² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10633777771) by changing a digit.

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, 134604743 + ... + 134604821.

Almost surely, 2^10633777778 is an apocalyptic number.

10633777778 is a deficient number, since it is larger than the sum of its proper divisors (7109503099).

10633777778 is an frugal number, since it uses more digits than its factorization.

10633777778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 7260624, while the sum is 56.

The spelling of 10633777778 in words is "ten billion, six hundred thirty-three million, seven hundred seventy-seven thousand, seven hundred seventy-eight".