10820771774 has 16 divisors (see below), whose sum is σ = 17483212800. Its totient is φ = 5008210680.

The previous prime is 10820771713. The next prime is 10820771803. The reversal of 10820771774 is 47717702801.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3792674 + ... + 3795525.

It is an arithmetic number, because the mean of its divisors is an integer number (1092700800).

Almost surely, 2^10820771774 is an apocalyptic number.

10820771774 is a deficient number, since it is larger than the sum of its proper divisors (6662441026).

10820771774 is a wasteful number, since it uses less digits than its factorization.

10820771774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7588255.

The product of its (nonzero) digits is 153664, while the sum is 44.

The spelling of 10820771774 in words is "ten billion, eight hundred twenty million, seven hundred seventy-one thousand, seven hundred seventy-four".