4777278 has 16 divisors (see below), whose sum is σ = 10423296. Its totient is φ = 1447640.

The previous prime is 4777277. The next prime is 4777351. The reversal of 4777278 is 8727774.

It is a happy number.

4777278 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4777273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36126 + ... + 36257.

It is an arithmetic number, because the mean of its divisors is an integer number (651456).

Almost surely, 2^4777278 is an apocalyptic number.

4777278 is an abundant number, since it is smaller than the sum of its proper divisors (5646018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4777278 is a wasteful number, since it uses less digits than its factorization.

4777278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72399.

The product of its digits is 153664, while the sum is 42.

The square root of 4777278 is about 2185.6985153493. The cubic root of 4777278 is about 168.4199386611.

The spelling of 4777278 in words is "four million, seven hundred seventy-seven thousand, two hundred seventy-eight".