10780556 has 6 divisors (see below), whose sum is σ = 18865980. Its totient is φ = 5390276.

The previous prime is 10780519. The next prime is 10780559. The reversal of 10780556 is 65508701.

It is not an unprimeable number, because it can be changed into a prime (10780559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1347566 + ... + 1347573.

It is an arithmetic number, because the mean of its divisors is an integer number (3144330).

Almost surely, 2^10780556 is an apocalyptic number.

It is an amenable number.

10780556 is a deficient number, since it is larger than the sum of its proper divisors (8085424).

10780556 is a wasteful number, since it uses less digits than its factorization.

10780556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695143 (or 2695141 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 10780556 is about 3283.3757019263. The cubic root of 10780556 is about 220.9091578078.

The spelling of 10780556 in words is "ten million, seven hundred eighty thousand, five hundred fifty-six".