4778549484 has 12 divisors (see below), whose sum is σ = 11149948824. Its totient is φ = 1592849824.

The previous prime is 4778549387. The next prime is 4778549491. The reversal of 4778549484 is 4849458774.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199106217 + ... + 199106240.

It is an arithmetic number, because the mean of its divisors is an integer number (929162402).

Almost surely, 2^4778549484 is an apocalyptic number.

It is an amenable number.

4778549484 is an abundant number, since it is smaller than the sum of its proper divisors (6371399340).

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

4778549484 is a wasteful number, since it uses less digits than its factorization.

4778549484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398212464 (or 398212462 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 60.

The square root of 4778549484 is about 69127.0531991636. The cubic root of 4778549484 is about 1684.3487912591.

The spelling of 4778549484 in words is "four billion, seven hundred seventy-eight million, five hundred forty-nine thousand, four hundred eighty-four".