4777619820 has 192 divisors, whose sum is σ = 14760216576. Its totient is φ = 1149603840.

The previous prime is 4777619801. The next prime is 4777619843. The reversal of 4777619820 is 289167774.

It is a super-2 number, since 2×4777619820² = 45651302288913664800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2678649 + ... + 2680431.

It is an arithmetic number, because the mean of its divisors is an integer number (76876128).

Almost surely, 2^4777619820 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 4777619820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7380108288).

4777619820 is an abundant number, since it is smaller than the sum of its proper divisors (9982596756).

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

4777619820 is a wasteful number, since it uses less digits than its factorization.

4777619820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 51.

The square root of 4777619820 is about 69120.3285582469. The cubic root of 4777619820 is about 1684.2395544849.

The spelling of 4777619820 in words is "four billion, seven hundred seventy-seven million, six hundred nineteen thousand, eight hundred twenty".