10778401 has 4 divisors (see below), whose sum is σ = 11150100. Its totient is φ = 10406704.

The previous prime is 10778399. The next prime is 10778407. The reversal of 10778401 is 10487701.

10778401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4946176 + 5832225 = 2224^2 + 2415^2 .

It is a cyclic number.

It is not a de Polignac number, because 10778401 - 2¹ = 10778399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10778401.

It is not an unprimeable number, because it can be changed into a prime (10778407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185806 + ... + 185863.

It is an arithmetic number, because the mean of its divisors is an integer number (2787525).

Almost surely, 2^10778401 is an apocalyptic number.

It is an amenable number.

10778401 is a deficient number, since it is larger than the sum of its proper divisors (371699).

10778401 is an equidigital number, since it uses as much as digits as its factorization.

10778401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371698.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 10778401 is about 3283.0475171706. The cubic root of 10778401 is about 220.8944371397.

The spelling of 10778401 in words is "ten million, seven hundred seventy-eight thousand, four hundred one".