4885447778 has 8 divisors (see below), whose sum is σ = 7328532780. Its totient is φ = 2442603520.

The previous prime is 4885447753. The next prime is 4885447781. The reversal of 4885447778 is 8777445884.

It can be written as a sum of positive squares in 2 ways, for example, as 4770250489 + 115197289 = 69067^2 + 10733^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4885447778.

It is an unprimeable number.

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, 4418 + ... + 98946.

Almost surely, 2^4885447778 is an apocalyptic number.

4885447778 is a deficient number, since it is larger than the sum of its proper divisors (2443085002).

4885447778 is a wasteful number, since it uses less digits than its factorization.

4885447778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120372.

The product of its digits is 56197120, while the sum is 62.

The square root of 4885447778 is about 69895.9782677087. The cubic root of 4885447778 is about 1696.8161606026.

The spelling of 4885447778 in words is "four billion, eight hundred eighty-five million, four hundred forty-seven thousand, seven hundred seventy-eight".