4778851 has 16 divisors (see below), whose sum is σ = 6075648. Its totient is φ = 3650400.

The previous prime is 4778843. The next prime is 4778863. The reversal of 4778851 is 1588774.

It is a cyclic number.

It is not a de Polignac number, because 4778851 - 2³ = 4778843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4778831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3496 + ... + 4666.

It is an arithmetic number, because the mean of its divisors is an integer number (379728).

Almost surely, 2^4778851 is an apocalyptic number.

4778851 is a deficient number, since it is larger than the sum of its proper divisors (1296797).

4778851 is a wasteful number, since it uses less digits than its factorization.

4778851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242.

The product of its digits is 62720, while the sum is 40.

The square root of 4778851 is about 2186.0583249310. The cubic root of 4778851 is about 168.4384216753.

The spelling of 4778851 in words is "four million, seven hundred seventy-eight thousand, eight hundred fifty-one".