4778801 has 4 divisors (see below), whose sum is σ = 4857204. Its totient is φ = 4700400.

The previous prime is 4778791. The next prime is 4778803. The reversal of 4778801 is 1088774.

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 1628176 + 3150625 = 1276^2 + 1775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4778801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4778803) 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, 39110 + ... + 39231.

It is an arithmetic number, because the mean of its divisors is an integer number (1214301).

Almost surely, 2^4778801 is an apocalyptic number.

It is an amenable number.

4778801 is a deficient number, since it is larger than the sum of its proper divisors (78403).

4778801 is an equidigital number, since it uses as much as digits as its factorization.

4778801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78402.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 4778801 is about 2186.0468887926. The cubic root of 4778801 is about 168.4378342293.

The spelling of 4778801 in words is "four million, seven hundred seventy-eight thousand, eight hundred one".