10777388456 has 32 divisors (see below), whose sum is σ = 20611794600. Its totient is φ = 5281136640.

The previous prime is 10777388443. The next prime is 10777388497. The reversal of 10777388456 is 65488377701.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7855985956 + 2921402500 = 88634^2 + 54050^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380216 + ... + 407576.

Almost surely, 2^10777388456 is an apocalyptic number.

It is an amenable number.

10777388456 is a deficient number, since it is larger than the sum of its proper divisors (9834406144).

10777388456 is a wasteful number, since it uses less digits than its factorization.

10777388456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28349 (or 28345 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 56.

The spelling of 10777388456 in words is "ten billion, seven hundred seventy-seven million, three hundred eighty-eight thousand, four hundred fifty-six".