4814813778 has 16 divisors (see below), whose sum is σ = 9631470240. Its totient is φ = 1604630816.

The previous prime is 4814813777. The next prime is 4814813819. The reversal of 4814813778 is 8773184184.

It is a self number, because there is not a number n which added to its sum of digits gives 4814813778.

It is not an unprimeable number, because it can be changed into a prime (4814813777) 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, 41568 + ... + 106571.

It is an arithmetic number, because the mean of its divisors is an integer number (601966890).

Almost surely, 2^4814813778 is an apocalyptic number.

4814813778 is an abundant number, since it is smaller than the sum of its proper divisors (4816656462).

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

4814813778 is a wasteful number, since it uses less digits than its factorization.

4814813778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153561.

The product of its digits is 1204224, while the sum is 51.

The square root of 4814813778 is about 69388.8591778248. The cubic root of 4814813778 is about 1688.5988851602.

The spelling of 4814813778 in words is "four billion, eight hundred fourteen million, eight hundred thirteen thousand, seven hundred seventy-eight".