10065778 has 16 divisors (see below), whose sum is σ = 15402816. Its totient is φ = 4932720.

The previous prime is 10065749. The next prime is 10065779. The reversal of 10065778 is 87756001.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (10065779) 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 in 7 ways as a sum of consecutive naturals, for example, 26800 + ... + 27172.

It is an arithmetic number, because the mean of its divisors is an integer number (962676).

Almost surely, 2^10065778 is an apocalyptic number.

10065778 is a deficient number, since it is larger than the sum of its proper divisors (5337038).

10065778 is a wasteful number, since it uses less digits than its factorization.

10065778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 10065778 is about 3172.6610282222. The cubic root of 10065778 is about 215.9148183784.

The spelling of 10065778 in words is "ten million, sixty-five thousand, seven hundred seventy-eight".