4767778928 has 160 divisors (see below), whose sum is σ = 11287848960. Its totient is φ = 1924116480.

The previous prime is 4767778921. The next prime is 4767778943. The reversal of 4767778928 is 8298777674.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4767778921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5436026 + ... + 5436902.

It is an arithmetic number, because the mean of its divisors is an integer number (70549056).

Almost surely, 2^4767778928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4767778928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5643924480).

4767778928 is an abundant number, since it is smaller than the sum of its proper divisors (6520070032).

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

4767778928 is a wasteful number, since it uses less digits than its factorization.

4767778928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015 (or 1009 counting only the distinct ones).

The product of its digits is 66382848, while the sum is 65.

The square root of 4767778928 is about 69049.1051933332. The cubic root of 4767778928 is about 1683.0823665153.

The spelling of 4767778928 in words is "four billion, seven hundred sixty-seven million, seven hundred seventy-eight thousand, nine hundred twenty-eight".